Endangered Species Search by Area Selection

Find out if there are any endangered species in your state, your country, island, etc. Browse endangered species listings according to area on our planet using the selection box below.

For a complete list of US endangered species, select United States below. Browse the different areas in the pulldown for other countries or specific US or Canadian states. For sea creatures and creatures found on islands in the oceans, we recommend browsing the oceania list.

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United States (and all US Territories) Afghanistan Alabama Alaska Albania Algeria Amazon Basin Amsterdam Island Andorra Angola Anguilla Antigua Arabian Peninsula Argentina Arizona Arkansas Armenia Aruba Island Assam Austria Azerbaijan Bahamas Bahrain Baja California Baltic Sea Bangladesh Barbados Barbuda Belarus Belgium Belize Benin Bering Sea Bermuda Bhutan Black Sea Bolivia Borneo Bosnia and Herzegovina Botswana Bouvet Island Brazil British Columbia British Virgin Islands Brunei Darussalam Bulgaria Burkina Faso Burma Burundi California Cambodia Cameroon Canada Canary Islands Cape Verde Caribbean Caspian Sea Cayman Islands Central African Republic Chad Chile China Christmas Island Coahuila Colombia Colorado Commonwealth of Independent States (CIS) Comoro Islands Congo (Democratic Republic of) Congo (Republic of) Congo River Connecticut Cook Islands Corsica Costa Rica Cote d'Ivoire Croatia Cuba Culebra Island Cyprus Czech Republic Delaware Denmark District of Columbia Djibouti Dominica - West Indies Dominican Republic Ecuador Egypt El Salvador Equatorial Guinea Eritrea Estonia Ethiopia Falkland Islands Faroe Islands Federated States of Micronesia Fernando Po Fiji Finland Florida France French Guiana French Polynesia Gabon Galapagos Islands Gambia Georgia (Eurasia) Georgia (USA) Germany Ghana Gibraltar Greater and Lesser Antilles Greece Greenland Grenada - West Indies Guadalupe (Mexico) Guadeloupe (Caribbean) Guam Guatemala Guernsey Guinea Guinea-Bissau Gulf of Maine Gulf of Mexico Guyana Haiti Hispaniola Honduras Hong Kong Hungary Iceland Idaho Illinois India Indiana Indochina Indonesia Iowa Iran Iraq Ireland Isle of Man Israel Italy Jamaica Jan Mayen Japan Jersey Jordan Kansas Kashmir Kazakhstan Kentucky Kenya Kiribati Korea Kuwait Kyrgyzstan Laos Latvia Lebanon Lesotho Liberia Libya Liechtenstein Lithuania Lord Howe Island Louisiana Luxembourg Macao Macedonia (Republic of) Madagascar Madeira Island Maine Malawi Malay Peninsula Malaysia Maldives Mali Malta Manitoba Mariana Island Marshall Islands Martinique - West Indies Maryland Massachusetts Mauritania Mauritius Mayotte Mediterranean Sea Mexico Michigan Minnesota Mississippi Missouri Moldova (Republic of) Monaco Mongolia Montana Montserrat Morocco Mozambique Myanmar Namibia Nauru Nebraska Nepal Netherlands (Europe) Netherlands Antilles Nevada New Brunswick New Caledonia New Hampshire New Jersey New Mexico New York New Zealand Nicaragua Niger Nigeria Niue Norfolk Islands North Carolina North Dakota Norway Nuevo Leon Ohio Oklahoma Oman Ontario Oregon Pakistan Palau Palestine Panama Papua New Guinea Paraguay Pennsylvania Peru Philippines Pitcairn Poland Portugal Puerto Rico Qatar Raso Island Reunion Rhode Island Rodrigues Island Romania Russia Rwanda Saba Saint Barthelemy Saint Kitts and Nevis Saint Pierre and Miquelon Samoa San Marino Sardinia Saudi Arabia Senegal Serbia and Montenegro Seychelles Sierra Leone Sikkim Sinai Singapore Slovakia Slovenia Solomon Islands Somalia Sonora South Africa South Carolina South Dakota Spain Spanish Sahara Sri Lanka St. Helena St. Lucia St. Martin St. Vincent Sudan Sumatra Suriname Svalbard Swaziland Sweden Switzerland Syria Tahiti Taiwan Tajikistan Tanzania Tasmania Tennessee Texas Thailand Tibet Timor-Leste Tobago Togo Tonga Trinidad Tunisia Turkey Turkmenistan Turks and Caicos Islands Tuvalu Uganda Ukraine United Arab Emirates United Kingdom Uruguay Utah Uzbekistan Vanuatu Venezuela Vermont Vietnam Virgin Islands Virginia Wallis and Futuna Washington West Indies West Virginia Western Sahara Wisconsin Wyoming Yemen Zambia Zanzibar Zimbabwe

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All species	Amphibians	Arachnids	Birds
Centipedes	Clams	Corals, Jellyfish, and Sea Anemones	Crustaceans
Fishes	Insects	Mammals	Plants
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The following is a list of species of concern in US Territories:

This list combines species from several endangered species lists. Using the total at the bottom of this page as an official count of endangered species of the world is not recommended. For more information on what creatures are listed on this site, please visit our About Us page.

	Species Name	Scientific Name	Group	Range
1.	'Ahakea	Bobea sandwicensis	Plants	Hawaii
2.	'Ahakea	Bobea timonioides	Plants	Hawaii
3.	'Ekoko	Chamaesyce celastroides var. kaenana	Plants	Hawaii
4.	A Jack-bean	Canavalia napaliensis	Plants	Hawaii
5.	Acacia koaia	Acacia koaia	Plants	Hawaii
6.	Acanthomyops latipes	Acanthomyops latipes	Insects	Michigan, Virgin Islands
7.	Acanthomyops murphyi	Acanthomyops murphyi	Insects	Maryland
8.	Acropora Coral	Acropora abrolhosensis	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
9.	Acropora Coral	Acropora aculeus	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, North America (United States Territory), Oceanic
10.	Acropora Coral	Acropora acuminata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
11.	Acropora Coral	Acropora aspera	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
12.	Acropora Coral	Acropora austera	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
13.	Acropora Coral	Acropora awi	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
14.	Acropora Coral	Acropora carduus	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Oceanic
15.	Acropora Coral	Acropora cervicornis	Corals, Jellyfish, and Sea Anemones	Central America, Gulf of Mexico, North America (United States Territory)
16.	Acropora Coral	Acropora dendrum	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, North America (United States Territory), Oceanic
17.	Acropora Coral	Acropora digitifera	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
18.	Acropora Coral	Acropora divaricata	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
19.	Acropora Coral	Acropora donei	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, Oceanic
20.	Acropora Coral	Acropora echinata	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, North America (United States Territory), Oceanic
21.	Acropora Coral	Acropora florida	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, North America (United States Territory), Oceanic
22.	Acropora Coral	Acropora formosa	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
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23.	Acropora Coral	Acropora glauca	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Middle East, Oceanic
24.	Acropora Coral	Acropora globiceps	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, North America (United States Territory), Oceanic
25.	Acropora Coral	Acropora granulosa	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Australia, Europe, Middle East, North America (United States Territory), Oceanic
26.	Acropora Coral	Acropora horrida	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
27.	Acropora Coral	Acropora humilis	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
28.	Acropora Coral	Acropora hyacinthus	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic, South America
29.	Acropora Coral	Acropora jacquelineae	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Asia, Australia, Oceanic
30.	Acropora Coral	Acropora kimbeensis	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory)
31.	Acropora Coral	Acropora kirstyae	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
32.	Acropora Coral	Acropora listeri	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Middle East, North America (United States Territory), Oceanic, South America
33.	Acropora Coral	Acropora loisetteae	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory)
34.	Acropora Coral	Acropora lokani	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Oceanic
35.	Acropora Coral	Acropora loripes	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
36.	Acropora Coral	Acropora lovelli	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
37.	Acropora Coral	Acropora lutkeni	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Europe, North America (United States Territory), Oceanic, South America
38.	Acropora Coral	Acropora microclados	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
39.	Acropora Coral	Acropora millepora	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
40.	Acropora Coral	Acropora monticulosa	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, British Indian Ocean Territory, Europe, North America (United States Territory), Oceanic
41.	Acropora Coral	Acropora nana	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, North America (United States Territory), Oceanic
42.	Acropora Coral	Acropora nasuta	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic, South America
43.	Acropora Coral	Acropora palmata	Corals, Jellyfish, and Sea Anemones	Central America, Gulf of Mexico, North America (United States Territory)
44.	Acropora Coral	Acropora palmerae	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Europe, North America (United States Territory), Oceanic
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45.	Acropora Coral	Acropora paniculata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
46.	Acropora Coral	Acropora pharaonis	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Central America, Europe, Middle East, Oceanic
47.	Acropora Coral	Acropora polystoma	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Australia, Europe, Middle East, North America (United States Territory), Oceanic
48.	Acropora Coral	Acropora retusa	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Australia, Europe, Middle East, North America (United States Territory), Oceanic
49.	Acropora Coral	Acropora rudis	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Oceanic
50.	Acropora Coral	Acropora secale	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
51.	Acropora Coral	Acropora selago	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
52.	Acropora Coral	Acropora solitaryensis	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, North America (United States Territory), Oceanic
53.	Acropora Coral	Acropora speciosa	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, North America (United States Territory), Oceanic
54.	Acropora Coral	Acropora spicifera	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
55.	Acropora Coral	Acropora striata	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
56.	Acropora Coral	Acropora tenuis	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
57.	Acropora Coral	Acropora vaughani	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
58.	Acropora Coral	Acropora verweyi	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, North America (United States Territory), Oceanic
59.	Acuminate Snaketail	Ophiogomphus acuminatus	Insects	Alabama, Tennessee
60.	Acute Elimia	Elimia acuta	Snails	Alabama, Tennessee
61.	Adiantum vivesii	Adiantum vivesii	Plants	Puerto Rico
62.	Agassiz's Coral	Cyphastrea agassizi	Corals, Jellyfish, and Sea Anemones	Asia, Australia, Central America, North America (United States Territory), Oceanic
63.	Aglaia mariannensis	Aglaia mariannensis	Plants	Guam, Northern Mariana Islands, Palau
64.	Aglaodiaptomus kingsburyae	Aglaodiaptomus kingsburyae	Crustaceans	United States
65.	Aglaodiaptomus marshianus	Aglaodiaptomus marshianus	Crustaceans	United States
66.	Ahinahina	Argyroxiphium sandwicense ssp. sandwicense	Plants	Hawaii
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67.	Aiea	Nothocestrum breviflorum	Plants	Hawaii
68.	Aiea	Nothocestrum latifolium	Plants	Hawaii
69.	Aiea	Nothocestrum peltatum	Plants	Hawaii
70.	Akekee	Loxops caeruleirostris	Birds	Hawaii
71.	Akepa	Loxops coccineus	Birds	Hawaii
72.	Akiapola'au	Hemignathus munroi	Birds	Hawaii
73.	Akikiki	Oreomystis bairdi	Birds	Hawaii
74.	Alabama Canebrake Pitcher-plant	Sarracenia rubra alabamensis	Plants	Alabama
75.	Alabama Cave Shrimp	Palaemonias alabamae	Crustaceans	Alabama
76.	Alabama Cavefish	Speoplatyrhinus poulsoni	Fishes	Alabama
77.	Inflated Heelsplitter	Potamilus inflatus	Clams	Alabama, Louisiana
78.	Alabama Lampmussel	Lampsilis virescens	Clams	Tennessee
79.	Alabama Leather Flower	Clematis socialis	Plants	Alabama
80.	Alabama Moccasinshell	Medionidus acutissimus	Clams	Alabama, Georgia, Mississippi
81.	Alabama Pearl Shell	Margaritifera marrianae	Clams	Alabama
82.	Alabama Red-belly Turtle	Pseudemys alabamensis	Reptiles	Alabama
83.	Alabama Shad	Alosa alabamae	Fishes	United States
84.	Alabama Sturgeon	Scaphirhynchus suttkusi	Fishes	Alabama, Mississippi
85.	Alabama Waterdog	Necturus alabamensis	Amphibians	Alabama
86.	Alabama Well Amphipod	Stygobromus smithii	Crustaceans	Alabama
87.	Alamosa Springsnail	Tryonia alamosae	Snails	New Mexico
88.	Aleutian Shield Fern	Polystichum aleuticum	Plants	Alaska
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89.	Allegheny Woodrat	Neotoma magister	Mammals	Alabama, Connecticut, Georgia, Indiana, Kentucky, Maryland, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia
90.	Alligator Snapping Turtle	Macrochelys temminckii	Reptiles	United States
91.	Allyn Smith's Banded Snail	Helminthoglypta allynsmithi	Snails	California
92.	Alpine False Ohelo	Wikstroemia bicornuta	Plants	Hawaii
93.	Altamaha Arcmussel	Alasmidonta arcula	Clams	Georgia
94.	Altamaha Pocketbook	Lampsilis dolabraeformis	Clams	Georgia
95.	Altamaha Spinymussel	Elliptio spinosa	Clams	Georgia
96.	Alveopora allingi	Alveopora allingi	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
97.	Alveopora catalai	Alveopora catalai	Corals, Jellyfish, and Sea Anemones	Asia, Australia, Europe, North America (United States Territory), Oceanic
98.	Alveopora fenestrata	Alveopora fenestrata	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
99.	Alveopora marionensis	Alveopora marionensis	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
100.	Alveopora spongiosa	Alveopora spongiosa	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
101.	Alveopora verrilliana	Alveopora verrilliana	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
102.	Alvord Chub	Gila alvordensis	Fishes	Nevada, Oregon
103.	Amargosa Niterwort	Nitrophila mohavensis	Plants	California, Nevada
104.	Amargosa Toad	Anaxyrus nelsoni	Amphibians	Nevada
105.	Amargosa Vole	Microtus californicus scirpensis	Mammals	California
106.	Amastrid Land Snail	Amastra cylindrica	Snails	Hawaii
107.	Amastrid Land Snail	Amastra micans	Snails	Hawaii
108.	Amastrid Land Snail	Amastra rubens	Snails	Hawaii
109.	Amastrid Land Snail	Amastra spirizona	Snails	Hawaii
110.	Amber Darter	Percina antesella	Fishes	Alabama, Georgia, Tennessee
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111.	American Burying Beetle	Nicrophorus americanus	Insects	Eastern Canada, USA Eastern States south to Florida, west to South Dakota and Texas
112.	American Chaffseed	Schwalbea americana	Plants	Alabama, Connecticut, Delaware, Florida, Georgia, Louisiana, Maryland, Massachusetts, Michigan, Mississippi, New Jersey, New York, North Carolina, South Carolina, Tennessee, Virginia
113.	American Crocodile	Crocodylus acutus	Reptiles	Caribbean, Central and South America, Florida, Mexico
114.	American Mahogany	Swietenia mahagoni	Plants	Central and South America, Florida
115.	Lepidium arbuscula	Lepidium arbuscula	Plants	Hawaii
116.	Angular Dwarf Crayfish	Cambarellus lesliei	Crustaceans	Alabama, Mississippi
117.	Angular Pebblesnail	Somatogyrus biangulatus	Snails	Alabama
118.	Angular-Fruited Neraudia	Neraudia angulata	Plants	Hawaii
119.	Anianiau	Hemignathus parvus	Birds	Hawaii
120.	Anthony's Riversnail	Athearnia anthonyi	Snails	Alabama, Georgia, Tennessee
121.	Antioch Dunes Evening-primrose	Oenothera deltoides ssp. howellii	Plants	California
122.	Antirhea portoricensis	Antirhea portoricensis	Plants	Puerto Rico
123.	Antirhea sintenisii	Antirhea sintenisii	Plants	Puerto Rico
124.	Antrobia breweri	Antrobia breweri	Snails	Alabama
125.	Antrobia culveri	Antrobia culveri	Snails	Montana
126.	Anunu	Sicyos alba	Plants	Hawaii
127.	Apache Trout	Oncorhynchus apache	Fishes	Arizona
128.	Apalachicola Cave Crayfish	Cambarus cryptodytes	Crustaceans	Florida, Georgia
129.	Apalachicola Rosemary	Conradina glabra	Plants	Florida
130.	Aphaenogaster bidentatus	Aphaenogaster bidentatus	Insects	United States
131.	Appalachian Cottontail	Sylvilagus obscurus	Mammals	United States
132.	Appalachian Elktoe	Alasmidonta raveneliana	Clams	North Carolina, Tennessee
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133.	Appalachian Monkeyface Pearlymussel	Quadrula sparsa	Clams	Tennessee, Virginia
134.	Appalachian Snaketail	Ophiogomphus incurvatus	Insects	Alabama, Maryland, North Carolina, South Carolina, Tennessee, Virginia, West Virginia
135.	Applegate's Milk-vetch	Astragalus applegatei	Plants	Oregon
136.	Schoepfia arenaria	Schoepfia arenaria	Plants	Puerto Rico
137.	Arizona Cave Amphipod	Stygobromus arizonensis	Crustaceans	Arizona
138.	Arizona Cliff-rose	Purshia subintegra	Plants	Arizona
139.	Arizona Giant Sand Treader Cricket	Daihinibaenetes arizonensis	Insects	Arizona
140.	Arizona Hedgehog Cactus	Echinocereus triglochidiatus var. arizonicus	Plants	Arizona
141.	Arizona Striped Whiptail	Aspidoscelis arizonae	Reptiles	Arizona
142.	Arkansas Fatmucket	Lampsilis powellii	Clams	Arkansas
143.	Armigerous River Snail	Lithasia armigera	Snails	United States
144.	Armored Snail	Pyrgulopsis marstonia pachyta	Snails	Alabama
145.	Armsia petasus	Armsia petasus	Snails	Hawaii
146.	Arroyo Southwestern Toad	Bufo californicus microscaphus	Amphibians	California, Mexico
147.	Ash Meadows Pebblesnail	Pyrgulopsis erythropoma	Snails	Nevada
148.	Ashy Darter	Etheostoma cinereum	Fishes	Alabama, Georgia, Kentucky, Tennessee, Virginia
149.	Ashy Dogweed	Thymophylla tephroleuca	Plants	Texas
150.	Ashy Storm-petrel	Oceanodroma homochroa	Birds	California, Ecuador, Mexico
151.	Asplenium fragile var. insulare	Asplenium fragile var. insulare	Plants	Hawaii
152.	Astreopora cucullata	Astreopora cucullata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
153.	Astreopora expansa	Astreopora expansa	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
154.	Astreopora macrostoma	Astreopora macrostoma	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
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155.	Atlantic Cod	Gadus morhua	Fishes	Asia, Europe, Middle East, North America (including United States), Oceanic
156.	Atlantic Halibut	Hippoglossus hippoglossus	Fishes	Canada (Newfoundland), Europe, United States (Alaska)
157.	Atlantic Pigtoe	Fusconaia masoni	Clams	United States
158.	Atlantic Salmon	Salmo salar	Fishes	Gulf of Maine Atlantic Salmon DPS
159.	Atlas Pebblesnail	Somatogyrus humerosus	Snails	Alabama
160.	Aupaka	Isodendrion hosakae	Plants	Hawaii
161.	Aupaka	Isodendrion laurifolium	Plants	Hawaii
162.	Austin Blind Salamander	Eurycea waterlooensis	Amphibians	Texas
163.	Australomussa rowleyensis	Australomussa rowleyensis	Corals, Jellyfish, and Sea Anemones	Australia, Cambodia, China, Federated States of Micronesia, India, Indonesia, Japan, Malaysia, Myanmar, Palau, Papua New Guinea, Philippines, Singapore, Solomon Islands, Sri Lanka, Taiwan, Thailand, Vietnam
164.	Autumn Buttercup	Ranunculus acriformis var. aestivalis	Plants	Utah
165.	Avalon Hairstreak	Strymon avalona	Insects	California
166.	Awalua Ridge Tetramolopium	Tetramolopium remyi	Plants	Hawaii
167.	Awiwi	Centaurium sebaeoides	Plants	Hawaii
168.	Bachman's Sparrow	Aimophila aestivalis	Birds	United States
169.	Bachman's Wood Warbler	Vermivora bachmanii	Birds	Canada, Southeastern USA
170.	Badwater Snail	Assiminea infirma	Snails	United States
171.	Bahama Swallow	Tachycineta cyaneoviridis	Birds	Bahamas, Cuba, Florida
172.	Baker's Cypress	Cupressus bakeri	Plants	California, Oregon
173.	Baker's Larkspur	Delphinium bakeri	Plants	California
174.	Balcones Cave Amphipod	Stygobromus balconis	Crustaceans	Texas
175.	Balcones Cave Shrimp	Palaemonetes antrorum	Crustaceans	Texas
176.	Banara vanderbiltii	Banara vanderbiltii	Plants	Puerto Rico
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177.	Banbury Springs Limpet	Idaholanx fresti	Snails	Idaho
178.	Banded Elimia	Elimia fascinans	Snails	Alabama
179.	Banner-tailed Kangaroo Rat	Dipodomys spectabilis	Mammals	Arizona, Mexico, New Mexico, Texas
180.	Barabattoia laddi	Barabattoia laddi	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
181.	Barndoor Winter Skate	Dipturus laevis	Fishes	Canada, United States
182.	Barneby Reed-mustard	Schoenocrambe barnebyi	Plants	Utah
183.	Lepidium barnebyanum	Lepidium barnebyanum	Plants	Utah
184.	Barr's Cave Amphipod	Stygobromus barri	Crustaceans	Missouri
185.	Barrens Topminnow	Fundulus julisia	Fishes	Tennessee
186.	Barton Springs Salamander	Eurycea sosorum	Amphibians	Texas
187.	Basking Shark	Cetorhinus maximus	Fishes	Africa, Asia, Australia, Central America, Europe, Middle East, North America (including United States), South America
188.	Bastrop Crayfish	Procambarus texanus	Crustaceans	Texas
189.	Bat Cave Isopod	Caecidotea macropoda	Crustaceans	Arkansas, Oklahoma
190.	Bath County Cave Amphipod	Stygobromus mundus	Crustaceans	Virginia
191.	Beach Jacquemontia	Jacquemontia reclinata	Plants	Florida
192.	Beach Layia	Layia carnosa	Plants	California
193.	Beach Mouse	Peromyscus polionotus	Mammals	Alabama, Florida
194.	Beach Vole	Microtus breweri	Mammals	Massachusetts
195.	Bear Lake Sculpin	Cottus extensus	Fishes	Idaho, Utah
196.	Bearded Red Crayfish	Procambarus pogum	Crustaceans	Mississippi
197.	Beautiful Crayfish	Cambarus speciosus	Crustaceans	Georgia
198.	Beautiful Goetzea	Goetzea elegans	Plants	Puerto Rico
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199.	Beautiful Pawpaw	Deeringothamnus pulchellus	Plants	Florida
200.	Beautiful Shiner	Cyprinella formosa	Fishes	Arizona, Mexico, New Mexico
201.	Bedstraw	Galium buxifolium	Plants	California
202.	Bedstraw	Galium californicum ssp. sierrae	Plants	California
203.	Bee Creek Cave Harvestman	Texella reddelli	Arachnids	Texas
204.	Belkin's Dune Tabanid Fly	Brennania belkini	Insects	California, Mexico
205.	Bell's Vireo	Vireo bellii	Birds	California, El Salvador, Guatemala, Honduras, Mexico, Nicaragua
206.	Belle's Sanddragon	Progomphus bellei	Insects	Alabama, Florida, North Carolina
207.	Beluga	Delphinapterus leucas	Mammals	Asia, Europe, North America (including United States), Oceanic
208.	Ben Lomond Spineflower	Chorizanthe pungens var. hartwegiana	Plants	California
209.	Ben Lomond Wallflower	Erysimum teretifolium	Plants	California
210.	Bendire's Thrasher	Toxostoma bendirei	Birds	Arizona, California, Canada, Mexico, Nevada, New Mexico, Utah
211.	Benton County Cave Crayfish	Cambarus aculabrum	Crustaceans	Arkansas
212.	Berberis nevinii	Berberis nevinii	Plants	California
213.	Berberis pinnata ssp. insularis	Berberis pinnata ssp. insularis	Plants	California
214.	Berry Cave Salamander	Gyrinophilus gulolineatus	Amphibians	Tennessee
215.	Betula uber	Betula uber	Plants	Virginia
216.	Bicknell's Thrush	Catharus bicknelli	Birds	Canada, Connecticut, Cuba, Delaware, Dominican Republic, Georgia, Haiti, Jamaica, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, North Carolina, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, Vermont, Virginia
217.	Bicolor Cactus Snail	Xerarionta tryoni	Snails	California
218.	Bog Beggarticks	Bidens conjuncta	Plants	Hawaii
219.	Bifurcated Cave Amphipod	Stygobromus bifurcatus	Crustaceans	Texas
220.	Big Bend Gambusia	Gambusia gaigei	Fishes	Texas
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221.	Big Bend Slider	Trachemys gaigeae	Reptiles	Mexico, New Mexico, Texas
222.	Big Blue Spring Cave Crayfish	Procambarus horsti	Crustaceans	Florida
223.	Big Island Ma'oloa	Neraudia ovata	Plants	Hawaii
224.	Big Levels Salamander	Plethodon sherando	Amphibians	Virginia
225.	Big Pine Key Conehead Katydid	Belocephalus micanopy	Insects	Florida
226.	Big Sandy Crayfish	Cambarus veteranus	Crustaceans	Kentucky, Virginia, West Virginia
227.	Big South Fork Crayfish	Cambarus bouchardi	Crustaceans	Kentucky, Tennessee
228.	Big-cheeked Cave Crayfish	Procambarus delicatus	Crustaceans	Florida
229.	Bigeye Tuna	Thunnus obesus	Fishes	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America - Including United States (Hawaii), Oceanic, South America
230.	Bighorn Sheep	Ovis canadensis	Mammals	California
231.	Birdsnest Coral	Seriatopora caliendrum	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
232.	Birdwing Pearlymussel	Conradilla caelata	Clams	Tennessee, Virginia
233.	Black Abalone	Haliotis cracherodii	Snails	California, Mexico (Baja California)
234.	Black Clubshell	Pleurobema curtum	Clams	Alabama, Mississippi
235.	Black Creek Crayfish	Procambarus pictus	Crustaceans	Florida
236.	Black Grouper	Epinephelus nigritus	Fishes	Central and South America, Mexico, United States
237.	Black Lace Cactus	Echinocereus reichenbachii var. alvertii	Plants	Texas
238.	Black Mudalia	Leptoxis melanoidus	Snails	Alabama
239.	Black Rail	Laterallus jamaicensis	Birds	Central America, North America (including United States), South America
240.	Black Rockfish	Mycteroperca bonaci	Fishes	Central America, North America (including United States), Oceanic, South America
241.	Speckled Black Salamander	Aneides flavipunctatus	Amphibians	California, Oregon
242.	Black Sea Bass	Stereolepis gigas	Fishes	California, Mexico
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243.	Black Toad	Anaxyrus exsul	Amphibians	California
244.	Black-capped Petrel	Pterodroma hasitata	Birds	Cuba, Dominican Republic, Haiti, United States, West Indies (Dominica)
245.	Black-capped Vireo	Vireo atricapilla	Birds	Kansas, Louisiana, Mexico, Nebraska, Oklahoma, Texas
246.	Black-crest Elimia	Elimia albanyensis	Snails	Alabama, Florida, Georgia
247.	Black-footed Albatross	Phoebastria nigripes	Birds	Asia, Canada, New Zealand, United States and Minor Outlying Islands (including Hawaii)
248.	Black-footed Ferret	Mustela nigripes	Mammals	Western Canada, Western USA
249.	Black-spotted Newt	Notophthalmus meridionalis	Amphibians	Mexico, Texas
250.	Black-tailed Godwit	Limosa limosa	Birds	Africa, Asia, Australia, Central America, Europe, Middle East, North America (including United States Territory), Oceanic
251.	Black-vented Shearwater	Puffinus opisthomelas	Birds	Canada (British Columbia), Mexico, United States (California)
252.	Blackbarred Crayfish	Cambarus unestami	Crustaceans	Alabama, Georgia
253.	Blackbelted Crayfish	Procambarus nigrocinctus	Crustaceans	Texas
254.	Blackbuck	Antilope cervicapra	Mammals	Argentina, India, United States
255.	Blackburn's Sphinx Moth	Manduca blackburni	Insects	Hawaii
256.	Blackmouth Shiner	Notropis melanostomus	Fishes	Alabama, Florida, Mississippi
257.	Blacksaddled Coral Grouper	Plectropomus laevis	Fishes	Africa, American Samoa, Asia, Australia, Central America, Europe, North America (United States Territory), Oceanic
258.	Blastomussa wellsi	Blastomussa wellsi	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Middle East, North America (United States Territory)
259.	Blind Cave Beetle	Glacicavicola bathysciodes	Insects	United States
260.	Bliss Rapid Snail	Taylorconcha serpenticola	Snails	Idaho
261.	Bloater	Coregonus hoyi	Fishes	Canada, United States
262.	Blotchside Logperch	Percina burtoni	Fishes	Alabama, North Carolina, Tennessee, Virginia
263.	Blowout Penstemon	Penstemon haydenii	Plants	Nebraska
264.	Blue Coral	Heliopora coerulea	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
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265.	Blue Ridge Gray-cheeked Salamander	Plethodon amplus	Amphibians	North Carolina
266.	Blue Shiner	Cyprinella caerulea	Fishes	Alabama, Georgia, Tennessee
267.	Blue Spring Aphaostracon	Aphaostracon asthenes	Snails	Florida
268.	Bluebarred Pygmy Sunfish	Elassoma okatie	Fishes	Georgia, South Carolina
269.	Bluegrass Crayfish	Cambarus batchi	Crustaceans	Kentucky
270.	Bluemask Darter	Etheostoma doration	Fishes	Tennessee
271.	Bluestripe Darter	Percina cymatotaenia	Fishes	Missouri
272.	Blunt Chaff Flower	Achyranthes mutica	Plants	Hawaii
273.	Blunt-nosed Leopard Lizard	Gambelia silus	Reptiles	California
274.	Bocaccio Rockfish	Sebastes paucispinus	Fishes	Canada, Mexico, United States
275.	Bog Turtle	Glyptemys muhlenbergii	Reptiles	Eastern United States
276.	Boisduval's Blue Butterfly	Aricia icarioides	Insects	California, Oregon
277.	Bone Cave Harvestman	Texella reyesi	Arachnids	Texas
278.	Bonytail Chub	Gila elegans	Fishes	Arizona, California, Colorado, Nevada, Utah, Wyoming
279.	Borax Lake Chub	Gila boraxobius	Fishes	Oregon
280.	Western Toad	Anaxyrus boreas	Amphibians	Canada, Mexico, United States (California)
281.	Boulder Darter	Etheostoma wapiti	Fishes	Alabama, Tennessee
282.	Boulder Pile Mountain Snail	Oreohelix jugalis	Snails	Idaho
283.	Bousfield's Amphipod	Gammarus bousfieldi	Crustaceans	Illinois, Indiana, Kentucky
284.	Bowman's Cave Amphipod	Stygobromus bowmani	Crustaceans	Oklahoma
285.	Boyd's Maidenfern	Christella boydiae	Plants	Hawaii
286.	Bracket Coral	Podabacia motuporensis	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, North America (United States Territory), Oceanic
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287.	Bradshaw's Desert-parsley	Lomatium bradshawii	Plants	Oregon, Washington
288.	Brady Pincushion Cactus	Pediocactus bradyi	Plants	Arizona
289.	Braken Bat Cave Meshweaver	Cicurina venii	Arachnids	Texas
290.	Branchinella alachua	Branchinella alachua	Crustaceans	United States
291.	Branchinella lithaca	Branchinella lithaca	Crustaceans	United States
292.	Branching Frogspawn Coral	Euphyllia paradivisa	Corals, Jellyfish, and Sea Anemones	American Samoa, Australia, Indonesia, Malaysia, Philippines, Samoa, Singapore, Thailand
293.	Braun's Rock-cress	Arabis perstellata	Plants	Kentucky, Tennessee
294.	Braunton's Milk-vetch	Astragalus brauntonii	Plants	California
295.	Brawleys Fork Crayfish	Cambarus williami	Crustaceans	Tennessee
296.	Brazoria Crayfish	Procambarus brazoriensis	Crustaceans	Texas
297.	Brazos River Watersnake	Nerodia harteri	Reptiles	Texas
298.	Bridled White-eye	Zosterops conspicillatus conspicillatus	Birds	West Pacific Ocean (USA - Guam)
299.	Brindle Bass	Epinephelus lanceolatus	Fishes	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory, including Hawaii), Oceanic
300.	Bristle-thighed Curlew	Numenius tahitiensis	Birds	American Samoa, Asia, Australia, North America (Hawaii/US Territory), Oceanic, South America
301.	Britton's Beargrass	Nolina brittoniana	Plants	Florida
302.	Broad River Spiny Crayfish	Cambarus spicatus	Crustaceans	North Carolina, South Carolina
303.	Bronze Whaler	Carcharhinus brachyurus	Fishes	Africa, Asia, Australia, Europe, Middle East, North America (including United States), South America
304.	Brook Elimia	Elimia strigosa	Snails	Tennessee
305.	Brooksville Bellflower	Campanula robinsiae	Plants	Florida
306.	Brown Pelican	Pelecanus occidentalis	Birds	Coastal Central and South America, USA (Carolinas to Texas, California, Oregon, Washington), West Indies
307.	Brown's Pigweed	Amaranthus brownii	Plants	Hawaii
308.	Brown-marbled Grouper	Epinephelus fuscoguttatus	Fishes	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
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309.	Bruneau Hot Springsnail	Pyrgulopsis bruneauensis	Snails	Idaho
310.	Brunfelsia portoricensis	Brunfelsia portoricensis	Plants	Puerto Rico
311.	Bubble Coral	Plerogyra simplex	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, North America (United States Territory), Oceanic
312.	Bubble Coral	Plerogyra sinuosa	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
313.	Buena Vista Lake Ornate Shrew	Sorex ornatus relictus	Mammals	California
314.	Buff-breasted Sandpiper	Tryngites subruficollis	Birds	Africa, Australia, Central America, Europe, Middle East, North America (including United States Territory), Oceanic, South America
315.	Buller's Shearwater	Puffinus bulleri	Birds	American Samoa, Asia, Australia, North America (including United States), Oceanic, South America
316.	Bullseye Electric Ray	Diplobatus ommata	Fishes	California, Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panama
317.	Bumphead Parrotfish	Bolbometopon muricatum	Fishes	Africa, American Samoa, Asia, Australia, Central America, Middle East, North America (United States Territory), Oceanic
318.	Bunched Arrowhead	Sagittaria fasciculata	Plants	North Carolina, South Carolina
319.	Burke's Goldfields	Lasthenia burkei	Plants	California
320.	Burnsville Cove Cave Amphipod	Stygobromus conradi	Crustaceans	Virginia
321.	Burrowing Bog Crayfish	Fallicambarus burrisi	Crustaceans	Alabama, Mississippi
322.	Buxus vahlii	Buxus vahlii	Plants	Puerto Rico
323.	Cabbage On a Stick	Brighamia insignis	Plants	Hawaii
324.	Caddo Madtom	Noturus taylori	Fishes	Arkansas
325.	Caddo Mountain Salamander	Plethodon caddoensis	Amphibians	Arkansas
326.	Caesalpinia kavaiense	Caesalpinia kavaiense	Plants	Hawaii
327.	Cagle's Map Turtle	Graptemys caglei	Reptiles	Texas
328.	Cahaba Shiner	Notropis cahabae	Fishes	Alabama
329.	Calamagrostis expansa	Calamagrostis expansa	Plants	Hawaii
330.	Calamagrostis hillebrandii	Calamagrostis hillebrandii	Plants	Hawaii
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331.	Calico Grouper	Epinephelus drummondhayi	Fishes	Bermuda - North Atlantic Ocean, Mexico, United States
332.	California Bay Pea Crab	Parapinnixa affinis	Crustaceans	California
333.	California Condor	Gymnogyps californianus	Birds	Arizona, California, Oregon
334.	California Freshwater Shrimp	Syncaris pacifica	Crustaceans	California
335.	California Giant Salamander	Dicamptodon ensatus	Amphibians	California
336.	California Jewelflower	Caulanthus californicus	Plants	California
337.	California Orcutt Grass	Orcuttia californica	Plants	California
338.	California Red Tree Mouse	Arborimus pomo	Mammals	California
339.	California Red-legged Frog	Rana draytonii	Amphibians	California, Mexico
340.	California Seablite	Suaeda californica	Plants	California
341.	California Sheephead	Semicossyphus pulcher	Fishes	Mexico, United States (California)
342.	California Taraxacum	Taraxacum californicum	Plants	California
343.	California Tiger Salamander	Ambystoma californiense	Amphibians	California
344.	Calistoga Allocarya	Plagiobothrys strictus	Plants	California
345.	Callippe Silverspot Butterfly	Speyeria callippe callippe	Insects	California
346.	Calvert's Emerald	Somatochlora calverti	Insects	Alabama, Florida, South Carolina
347.	Conasauga Blue Burrower	Cambarus cymatilis	Crustaceans	Georgia, Tennessee
348.	Elk River Crayfish	Cambarus elkensis	Crustaceans	West Virginia
349.	Cambarus strigosus	Cambarus strigosus	Crustaceans	Georgia
350.	Delaware County Cave Crayfish	Cambarus subterraneus	Crustaceans	Oklahoma
351.	Camouflage Grouper	Epinephelus polyphekadion	Fishes	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
352.	Camp Shelby Burrowing Crayfish	Fallicambarus gordoni	Crustaceans	Mississippi
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353.	Campbell Island Shag	Phalacrocorax campbelli	Birds	Nebraska
354.	Cana Gorda Girdlepod	Mitracarpus polycladus	Plants	Puerto Rico, Saba
355.	Canby's Dropwort	Oxypolis canbyi	Plants	Delaware, Georgia, Maryland, North Carolina, South Carolina
356.	Canelo Hills Ladies'-tresses	Spiranthes delitescens	Plants	Arizona
357.	Capa rosa	Callicarpa ampla	Plants	Puerto Rico
358.	Cape Fear Shiner	Notropis mekistocholas	Fishes	North Carolina
359.	Cape Sable Seaside Sparrow	Ammodramus maritimus mirabilis	Birds	Florida
360.	Cape Shark	Squalus acanthias	Fishes	Africa, Asia, Australia, Central America, Europe, Middle East, North America (including United States), South America
361.	Caper Elimia	Elimia olivula	Snails	Alabama
362.	Caper Shrub	Capparis sandwichiana	Plants	Hawaii
363.	Carex albida	Carex albida	Plants	California
364.	Carex lutea	Carex lutea	Plants	North Carolina
365.	Caribbean Coot	Fulica caribaea	Birds	Central America, North America (United States Territory), South America
366.	Caribbean Electric Ray	Narcine bancroftii	Fishes	Brazil, Florida, French Guiana, Guyana, Mississippi, New Mexico, North Carolina, Suriname, Venezuela
367.	Caribbean Reef Shark	Carcharhinus perezi	Fishes	Central America, North America (including United States), Oceanic, South America
368.	Carolina Heelsplitter	Lasmigona decorata	Clams	North Carolina, South Carolina
369.	Caroline Islands Ground-dove	Gallicolumba kubaryi	Birds	Federated States of Micronesia
370.	Carson Wandering Skipper	Pseudocopaeodes eunus obscurus	Insects	California, Nevada
371.	Carter's Mustard	Warea carteri	Plants	Florida
372.	Cascade Cave Amphipod	Stygobromus dejectus	Crustaceans	Texas
373.	Cascade Caverns Salamander	Eurycea latitans	Amphibians	Texas
374.	Cascade Torrent Salamander	Rhyacotriton cascadae	Amphibians	Oregon, Washington
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375.	Cascades Frog	Rana cascadae	Amphibians	California, Canada
376.	Cassin's Finch	Haemorhous cassinii	Birds	Canada, Mexico, United States
377.	Catalina Island Mountain-Mahogany	Cercocarpus traskiae	Plants	California
378.	Catalina Mountain Snail	Radiocentrum avalonense	Snails	California
379.	Catspaw Pearlymussel	Epioblasma obliquata	Clams	Illinois, Indiana, Kentucky, Michigan, Ohio, Tennessee
380.	Caulastrea curvata	Caulastrea curvata	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
381.	Caulastrea echinulata	Caulastrea echinulata	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Oceanic
382.	Cauliflower Coral	Pocillopora elegans	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Central America, North America (including United States Territory), South America
383.	Cauliflower Coral	Pocillopora eydouxi	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Australia, Central America, Europe, Middle East, North America (including United States Territory), Oceanic, South America
384.	Cave Physa	Physella spelunca	Snails	Wyoming
385.	Cayey Robber Frog	Eleutherodactylus jasperi	Amphibians	Puerto Rico
386.	Cayman Islands Ground Iguana	Cyclura nubila	Reptiles	Caymans, Cuba, Puerto Rico
387.	Celtis lindheimeri	Celtis lindheimeri	Plants	Mexico, Texas
388.	Central Missouri Cave Amphipod	Allocrangonyx hubrichti	Crustaceans	Arkansas, Missouri
389.	Cerulean Warbler	Setophaga cerulea	Birds	Bahamas, Belize, Bolivia, Brazil, Canada, Colombia, Costa Rica, Cuba, Ecuador, Guatemala, Honduras, Jamaica, Mexico, Netherlands Antilles, Panama, Peru, United States, Venezuela
390.	Charalito Chihuahua	Gila nigrescens	Fishes	Mexico, New Mexico
391.	Charalito Sonorense	Gila ditaenia	Fishes	Arizona, Mexico
392.	Chase's Threeawn	Aristida chaseae	Plants	Puerto Rico
393.	Chatham Albatross	Thalassarche eremita	Birds	American Samoa, Australia, Chile, Cook Islands, French Polynesia, New Zealand, Niue, Peru, Wallis and Futuna
394.	Chatooga Crayfish	Cambarus scotti	Crustaceans	Alabama, Georgia
395.	Chattahoochee Crayfish	Cambarus howardi	Crustaceans	Alabama, Georgia, North Carolina
396.	Cheat Mountain Salamander	Plethodon nettingi	Amphibians	West Virginia
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397.	Cheesewood	Pittosporum napaliense	Plants	Hawaii
398.	Cheoah Bald Salamander	Plethodon cheoah	Amphibians	North Carolina
399.	Cherokee Clubtail	Gomphus consanguis	Insects	United States
400.	Chestnut-collared Longspur	Calcarius ornatus	Birds	North America (including United States)
401.	Chickamanga Crayfish	Cambarus extraneus	Crustaceans	Georgia, Tennessee
402.	Chinese Soft-shelled Turtle	Pelodiscus sinensis	Reptiles	China, China, Hawaii, Japan, Taiwan, Thailand, Vietnam
403.	Chinook Salmon	Oncorhynchus tshawytscha	Fishes	California (Sacramento River) in the winters
404.	Chipola Slabshell	Elliptio chipolaensis	Clams	Alabama, Florida
405.	Chiricahua Leopard Frog	Lithobates chiricahuensis	Amphibians	Arizona, Mexico, New Mexico
406.	Chisholm Trail Salamander	Eurycea chisholmensis	Amphibians	Texas
407.	Choctaw Riverlet Crayfish	Hobbseus valleculus	Crustaceans	Mississippi
408.	Chrysophyllum pauciflorum	Chrysophyllum pauciflorum	Plants	Puerto Rico, Virgin Islands
409.	Chupacallos	Pleodendron macranthum	Plants	Puerto Rico
410.	Chuuk Monarch	Metabolus rugensis	Birds	Federated States of Micronesia
411.	Ciervo Scarab Beetle	Aegialia concinna	Insects	California
412.	Clanton's Cave Amphipod	Stygobromus clantoni	Crustaceans	Kansas, Missouri
413.	Clapper Rail	Rallus longirostris	Birds	Arizona, California
414.	Clara Hunt's Milk-vetch	Astragalus clarianus	Plants	California
415.	Clay Phacelia	Phacelia argillacea	Plants	Utah
416.	Clay-loving Wild-buckwheat	Eriogonum pelinophilum	Plants	Colorado
417.	Clear Creek Gambusia	Gambusia heterochir	Fishes	Texas
418.	Clench's Middle-toothed Land Snail	Mesodon clenchi	Snails	Arkansas
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419.	Clifton Cave Isopod	Caecidotea barri	Crustaceans	Kentucky
420.	Climbing Alsinidendron	Alsinidendron viscosum	Plants	Hawaii
421.	Closed Brain Coral	Leptoria phrygia	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
422.	Clouded Salamander	Aneides ferreus	Amphibians	California, Oregon
423.	Clover Lupine	Lupinus tidestromii	Plants	California
424.	Fir Clubmoss	Huperzia mannii	Plants	Hawaii
425.	Clubshell	Pleurobema clava	Clams	Illinois, Indiana, Kentucky, Michigan, Ohio, Pennsylvania, Tennessee, West Virginia
426.	Coachelia Giant Sand Treader Cricket	Macrobaenetes valgum	Insects	California
427.	Coachella Valley Fringe-toed Lizard	Uma inornata	Reptiles	California
428.	Coachella Valley Jerusalem Cricket	Stenopelmatus cahuilaensis	Insects	California
429.	Coachella Valley Milk-vetch	Astragalus lentiginosus var. coachellae	Plants	California
430.	Coahuila Isopod	Mexistenasellus coahuila	Crustaceans	Mexico, Texas
431.	Coal Elimia	Elimia aterina	Snails	Tennessee, Virginia
432.	Coastal Dunes Milk-vetch	Astragalus tener var. titi	Plants	California
433.	Coastal Flatwoods Crayfish	Procambarus apalachicolae	Crustaceans	Florida
434.	Coastal Lowland Cave Crayfish	Procambarus leitheuseri	Crustaceans	Florida
435.	Cobana Negra	Stahlia monosperma	Plants	Dominican Republic, Puerto Rico, Virgin Islands
436.	Coccoloba rugosa	Coccoloba rugosa	Plants	Puerto Rico
437.	Coffin Cave Mold Beetle	Batrisodes texanus	Insects	Texas
438.	Coho Salmon	Oncorhynchus kisutch	Fishes	California
439.	Cokendolpher Cave Harvestman	Texella cokendolpheri	Arachnids	Texas
440.	Coldwater Darter	Etheostoma ditrema	Fishes	Alabama, Georgia, Tennessee
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441.	Colima Warbler	Vermivora crissalis	Birds	Mexico, Texas
442.	Collared Petrel	Pterodroma brevipes	Birds	American Samoa, Cook Islands, Fiji, Samoa
443.	Colorado Checkered Whiptail	Aspidoscelis neotesselata	Reptiles	Colorado
444.	Colorado Desert Fringe-toed Lizard	Uma notata	Reptiles	California, Mexico
445.	Colorado Pikeminnow	Ptychocheilus lucius	Fishes	Arizona, California, Colorado, Mexico, Nevada, New Mexico, Utah, Wyoming
446.	Columbia Clubtail	Gomphus lynnae	Insects	Oregon, Washington
447.	Columbia River Tiger Beetle	Cicindela columbica	Insects	Idaho, Oregon, Washington
448.	Columbia Torrent Salamander	Rhyacotriton kezeri	Amphibians	Oregon, Washington
449.	Comal Blind Salamander	Eurycea tridentifera	Amphibians	Texas
450.	Comal Springs Dryopid Beetle	Stygoparnus comalensis	Insects	Texas
451.	Comal Springs Riffle Beetle	Heterelmis comalensis	Insects	Texas
452.	Comanche Springs Pupfish	Cyprinodon elegans	Fishes	Texas
453.	Common Moorhen	Gallinula chloropus	Birds	Hawaii, West Pacific Ocean (USA - Guam, Tinian, Saipan, Pagan)
454.	Common Sawfish	Pristis pristis	Fishes	Africa, Asia, Australia, Central and South America, Europe, Mexico, United States
455.	Common Seahorse	Hippocampus kuda	Fishes	Asia, Australia, Hawaii, Middle East, Oceanic
456.	Commoner Lignum Vitae	Guaiacum officinale	Plants	Central and South America, Puerto Rico, Thailand, Virgin Islands (British and US)
457.	Conasauga Logperch	Percina jenkinsi	Fishes	Georgia, Tennessee
458.	Concentrated Snail	Micrarionta facta	Snails	California
459.	Concho Water Snake	Nerodia paucimaculata	Reptiles	Texas
460.	Conservancy Fairy Shrimp	Branchinecta conservatio	Crustaceans	California
461.	Contra Costa Goldfields	Lasthenia conjugens	Plants	California
462.	Contra Costa Wallflower	Erysimum capitatum var. angustatum	Plants	California
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463.	Cook's Lomatium	Lomatium cookii	Plants	Oregon
464.	Cook's Petrel	Pterodroma cookii	Birds	American Samoa, Australia (Norfolk Island), Chile, Cook Islands, French Polynesia, Mexico, New Zealand, Niue, Pitcairn, United States and Minor Outlying Islands, Wallis and Futuna
465.	Cook's Robber Frog	Eleutherodactylus cooki	Amphibians	Puerto Rico
466.	Cooke's Koki'o	Kokia cookei	Plants	Hawaii
467.	Cookeconcha contorta	Cookeconcha contorta	Snails	Hawaii
468.	Cooley's Meadowrue	Thalictrum cooleyi	Plants	Florida, North Carolina
469.	Cooper's Cave Amphipod	Stygobromus cooperi	Crustaceans	West Virginia
470.	Coosa Moccasinshell	Medionidus parvulus	Clams	Alabama, Georgia, Tennessee
471.	Coosa Pebblesnail	Somatogyrus coosaensis	Snails	Alabama
472.	Coosawattae Crayfish	Cambarus coosawattae	Crustaceans	Georgia
473.	Coppercheek Darter	Etheostoma aquali	Fishes	Tennessee
474.	Coral Trout	Plectropomus leopardus	Fishes	Australia, Brunei Darussalam, China, China, Fiji, Hong Kong, Indonesia, Japan, Malaysia, Marshall Islands, New Caledonia, Palau, Papua New Guinea, Philippines, Solomon Islands, Taiwan, Thailand, Tonga, Vanuatu, Vietnam, Wallis and Futuna
475.	Corpulent Hornsnail	Pleurocera corpulenta	Snails	Alabama, Tennessee
476.	Corrollton Crayfish	Procambarus connus	Crustaceans	Mississippi
477.	Coryphantha minima	Coryphantha minima	Plants	Texas
478.	Coryphantha scheeri var. robustispina	Coryphantha scheeri var. robustispina	Plants	Arizona, Mexico
479.	Coryphantha sneedii var. sneedii	Coryphantha sneedii var. sneedii	Plants	New Mexico, Texas
480.	Cosmosflower Beggarticks	Bidens cosmoides	Plants	Hawaii
481.	Cougar	Puma concolor	Mammals	North and Central America
482.	Cowfish	Rhinoptera bonasus	Fishes	Belize, Brazil, Colombia, Costa Rica, Cuba, Florida, French Guiana, Guatemala, Guyana, Honduras, Mexico, Nicaragua, Panama, Suriname, Trinidad and Tobago, Venezuela
483.	Coyote Ceanothus	Ceanothus ferrisae	Plants	California
484.	Cracking Pearlymussel	Hemistena lata	Clams	Alabama, Illinois, Indiana, Kentucky, Tennessee, Virginia
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485.	Craveri's Murrelet	Synthliboramphus craveri	Birds	California, Mexico
486.	Crawfish Frog	Lithobates areolatus	Amphibians	United States
487.	Crematogaster pilosa	Crematogaster pilosa	Insects	United States
488.	Crenulate Lead-plant	Amorpha crenulata	Plants	Florida
489.	Cresent Dune Scarab Beetle	Aegialia crescenta	Insects	Nevada
490.	Crested Honeycreeper	Palmeria dolei	Birds	Hawaii
491.	Cricket Robber Frog	Eleutherodactylus gryllus	Amphibians	Puerto Rico
492.	Crimson Hawaiian Damselfly	Megalagrion leptodemas	Insects	Hawaii
493.	Crossband Rockfish	Mycteroperca interstitialis	Fishes	Central America, North America (including United States), Oceanic, South America
494.	Crotalaria avonensis	Crotalaria avonensis	Plants	Florida
495.	Crust Coral	Leptastrea bewickensis	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, North America (United States Territory), Oceanic
496.	Crust Coral	Leptastrea bottae	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
497.	Crust Coral	Leptastrea inaequalis	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
498.	Crystal Darter	Crystallaria asprella	Fishes	Alabama, Arkansas, Florida, Illinois, Indiana, Iowa, Louisiana, Minnesota, Mississippi, Missouri, Oklahoma, Wisconsin
499.	Crystal Siltsnail	Cincinnatia helicogyra	Snails	Florida
500.	Cubera Snapper	Lutjanus cyanopterus	Fishes	Central America, North America (including United States), South America
501.	Cui-ui	Chasmistes cujus	Fishes	Nevada
502.	Culebra Island Giant Anole	Anolis roosevelti	Reptiles	USA (Puerto Rico - Culebra Island)
503.	Cumberland Bean Pearlymussel	Villosa trabalis	Clams	Kentucky, Tennessee, Virginia
504.	Cumberland Combshell	Epioblasma brevidens	Clams	Kentucky, Mississippi, Tennessee, Virginia
505.	Cumberland Dusky Salamander	Desmognathus abditus	Amphibians	Tennessee
506.	Cumberland Elktoe	Alasmidonta atropurpurea	Clams	Kentucky, Tennessee
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507.	Cumberland Monkeyface Pearlymussel	Quadrula intermedia	Clams	Tennessee, Virginia
508.	Cumberland Pigtoe	Pleurobema gibberum	Clams	Tennessee
509.	Cushenbury Milk-vetch	Astragalus albens	Plants	California
510.	Cushenbury Oxytheca	Oxytheca parishii var. goodmaniana	Plants	California
511.	Cushion Buckwheat	Eriogonum ovalifolium	Plants	California, Nevada
512.	Cyathea dryopteroides	Cyathea dryopteroides	Plants	Puerto Rico
513.	Cylindrical Lioplax Snail	Lioplax cyclostomaformis	Snails	Alabama, Georgia
514.	Cyperus trachysanthos	Cyperus trachysanthos	Plants	Hawaii
515.	Cypress Crayfish	Cambarellus blacki	Crustaceans	Florida
516.	Dakota Skipper	Hesperia dacotae	Insects	Canada, United States
517.	Daphnopsis hellerana	Daphnopsis hellerana	Plants	Puerto Rico
518.	Dark Pigtoe	Pleurobema furvum	Clams	Alabama
519.	Davis' Green Pitaya	Echinocereus viridiflorus var. davisii	Plants	Texas
520.	Del Mar Manzanita	Arctostaphylos glandulosa ssp. crassifolia	Plants	California, Mexico
521.	Del Norte Salamander	Plethodon elongatus	Amphibians	California
522.	Delhi Sands Flower-loving Fly	Rhaphiomidas terminatus abdominalis	Insects	California
523.	Delmarva Peninsula Fox Squirrel	Sciurus niger cinereus	Mammals	USA (Delmarva Peninsula to southeastern Pennsylvania)
524.	Delta Green Ground Beetle	Elaphrus viridis	Insects	California
525.	Delta Smelt	Hypomesus transpacificus	Fishes	California
526.	Deltoid Spurge	Chamaesyce deltoidea ssp. deltoidea	Plants	Florida
527.	Dense Hydrobe	Aphaostracon pycnus	Snails	Florida
528.	Dense-flowered Charpenttiera	Charpentiera densiflora	Plants	Hawaii
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529.	Desert Dace	Eremichthys acros	Fishes	Nevada
530.	Desert Monkey Grasshopper	Psychomastatix deserticola	Insects	United States
531.	Desert Pocket Gopher	Geomys arenarius	Mammals	Mexico, New Mexico, Texas
532.	Desert Pupfish	Cyprinodon macularius	Fishes	Arizona, California, Mexico
533.	Desert Slender Salamander	Batrachoseps aridus	Amphibians	California
534.	Desert Tortoise	Gopherus agassizii	Reptiles	Arizona, California, Mexico, Nevada, Utah
535.	Devil Fish	Manta birostris	Fishes	Africa, Asia, Australia, Central America, Europe, Hawaii, Middle East, North America, Oceanic, South America
536.	Devil's Hole Pupfish	Cyprinodon diabolis	Fishes	Nevada
537.	Devil's River Minnow	Dionda diaboli	Fishes	Mexico, Texas
538.	Devil's Sinkhole Amphipod	Stygobromus hadenoecus	Crustaceans	Texas
539.	Diellia erecta	Diellia erecta	Plants	Hawaii
540.	Diellia falcata	Diellia falcata	Plants	Hawaii
541.	Diellia pallida	Diellia pallida	Plants	Hawaii
542.	Diellia unisora	Diellia unisora	Plants	Hawaii
543.	Diminutive Amphipod	Gammarus hyalelloides	Crustaceans	Texas
544.	Diminutive Clubtail	Gomphus diminutus	Insects	Georgia, North Carolina, South Carolina, Tennessee
545.	Twinsorus Fern	Diplazium molokaiense	Plants	Hawaii
546.	Distocambarus devexus	Distocambarus devexus	Crustaceans	Georgia
547.	Distocambarus youngineri	Distocambarus youngineri	Crustaceans	South Carolina
548.	Dolloff Cave Spider	Meta dolloff	Arachnids	California, Texas
549.	Domed Ancylid	Rhodacme elatior	Snails	Alabama, Kentucky, Tennessee
550.	Domin's Club	Cheirodendron dominii	Plants	Hawaii
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551.	Donkey Fish	Dermatolepis inermis	Fishes	Central and South America, North America (including United States), Oceanic
552.	Dorymyrmex insanus	Dorymyrmex insanus	Insects	United States
553.	Dromedary Pearlymussel	Dromus dromas	Clams	Alabama, Kentucky, Tennessee, Virginia
554.	Duckbill Cat	Polyodon spathula	Fishes	United States
555.	Duckwater Pyrg	Pyrgulopsis aloba	Snails	Nevada
556.	Dunes Sagebrush Lizard	Sceloporus arenicolus	Reptiles	New Mexico, Texas
557.	Dusky Gopher Frog	Lithobates sevosus	Amphibians	Mississippi
558.	Duskytail Darter	Etheostoma percnurum	Fishes	Tennessee, Virginia
559.	Dutton's River Snail	Lithasia duttoniana	Snails	Tennessee
560.	Dwarf Bear-poppy	Arctomecon humilis	Plants	Utah
561.	Dwarf Coqui	Eleutherodactylus unicolor	Amphibians	Puerto Rico
562.	Dwarf Iliau	Wilkesia hobdyi	Plants	Hawaii
563.	Scaevola coriacea	Scaevola coriacea	Plants	Hawaii
564.	Dwarf Pebblesnail	Somatogyrus nanus	Snails	Alabama
565.	Dwarf Wedgemussel	Alasmidonta heterodon	Clams	Canada (New Brunswick), United States
566.	Eared Quetzal	Euptilotis neoxenus	Birds	Arizona, Mexico, New Mexico
567.	Earthworm	Komarekiona eatoni	Worms	United States
568.	East Maui Silversword	Argyroxiphium sandwicense	Plants	Hawaii
569.	Eastern Fox Snake	Pantherophis gloydi	Reptiles	Michigan, New York, Ohio
570.	Eastern Sand Darter	Etheostoma pellucidum	Fishes	Canada, United States
571.	Eastern Tur	Capra cylindricornis	Mammals	Azerbaijan, Georgia, Russia
572.	Echinomorpha nishihirai	Echinomorpha nishihirai	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Oceanic
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573.	Echinopora horrida	Echinopora horrida	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
574.	Echinopora mammiformis	Echinopora mammiformis	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
575.	Echinopora pacificus	Echinopora pacificus	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
576.	Echinopora taylorae	Echinopora taylorae	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory)
577.	Edisto Crayfish	Procambarus echinatus	Crustaceans	South Carolina
578.	Edmund's Snaketail	Ophiogomphus edmundo	Insects	Georgia, North Carolina, Tennessee
579.	Eke Silversword	Argyroxiphium caliginis	Plants	Hawaii
580.	El Segundo Blue Butterfly	Euphilotes battoides allyni	Insects	California
581.	Elaphoidella amabilis	Elaphoidella amabilis	Crustaceans	United States
582.	Elegant Tern	Sterna elegans	Birds	Belgium, Chile, Colombia, Costa Rica, Denmark, Ecuador, El Salvador, Falkland Islands (Malvinas), France, Guatemala, Ireland, Mexico, Nicaragua, Panama, Peru, United States, United States Minor Outlying Islands
583.	Elepaio	Chasiempis sandwichensis	Birds	Hawaii
584.	Elevated Spring Amphipod	Stygobromus elatus	Crustaceans	Arkansas
585.	Elfin-woods Warbler	Dendroica angelae	Birds	Puerto Rico
586.	Elimia porrecta	Elimia porrecta	Snails	Tennessee
587.	Elimia pybasi	Elimia pybasi	Snails	Alabama
588.	Elimia teres	Elimia teres	Snails	Tennessee
589.	Elimia troostiana	Elimia troostiana	Snails	Tennessee
590.	Elk River File Snail	Lithasia lima	Snails	Alabama, Tennessee
591.	Elliptical Star Coral	Dichocoenia stokesii	Corals, Jellyfish, and Sea Anemones	Central America, Europe, North America (including United States), Oceanic, South America
592.	Emerald Valvata	Valvata virens	Snails	California
593.	Emperor Goose	Chen canagica	Birds	Alaska, Canada, Russia
594.	Empire Cave Pseudoscorpion	Fissilicreagris imperialis	Arachnids	California
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595.	Endodonta apiculata	Endodonta apiculata	Snails	Hawaii
596.	Enterprise Siltsnail	Cincinnatia monroensis	Snails	Florida
597.	Ephemeral Cave Amphipod	Stygobromus ephemerus	Crustaceans	Virginia
598.	Erigeron decumbens var. decumbens	Erigeron decumbens var. decumbens	Plants	Oregon
599.	Erythrina eggersii	Erythrina eggersii	Plants	Puerto Rico, Virgin Islands
600.	Escambia Crayfish	Procambarus escambiensis	Crustaceans	Alabama, Florida
601.	Eskimo Curlew	Numenius borealis	Birds	Alaska and Northern Canada to Argentina
602.	Etonia Rosemary	Conradina etonia	Plants	Florida
603.	Etowah Crayfish	Cambarus fasciatus	Crustaceans	Georgia
604.	Etowah Darter	Etheostoma etowahae	Fishes	Georgia
605.	Eua zebrina	Eua zebrina	Snails	American Samoa
606.	Eugenia haematocarpa	Eugenia haematocarpa	Plants	Puerto Rico
607.	Eugenia koolauensis	Eugenia koolauensis	Plants	Hawaii
608.	Eugenia woodburyana	Eugenia woodburyana	Plants	Puerto Rico
609.	Euphorbia haeleeleana	Euphorbia haeleeleana	Plants	Hawaii
610.	Euphyllia yaeyamaensis	Euphyllia yaeyamaensis	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
611.	Eurasian Curlew	Numenius arquata	Birds	Africa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
612.	Eureka Dune Grass	Swallenia alexandrae	Plants	California
613.	Eureka Valley Evening-primrose	Oenothera avita ssp. eurekensis	Plants	California
614.	European Rabbit	Oryctolagus cuniculus	Mammals	Africa, Asia, Australia, Europe, North America (including United States), South America
615.	Everglade Snail Kite	Rostrhamus sociabilis plumbeus	Birds	Florida
616.	Everglades Sprite	Nehalennia pallidula	Insects	Florida
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617.	Ewa Plains 'Akoko	Chamaesyce skottsbergii var. kalaeloana	Plants	Hawaii
618.	Ezell's Cave Amphipod	Stygobromus flagellatus	Crustaceans	Texas
619.	Fabulous Green Sphinx Moth	Tinostoma smaragditis	Insects	Hawaii
620.	Faichuk White-eye	Rukia ruki	Birds	Federated States of Micronesia
621.	Jefferson County Crayfish	Fallicambarus gilpini	Crustaceans	Arkansas
622.	False 'Ohe	Munroidendron racemosum	Plants	Hawaii
623.	False Flower Coral	Anacropora puertogalerae	Corals, Jellyfish, and Sea Anemones	Asia, Australia, Europe, North America (United States Territory), Oceanic
624.	False Pillow Coral	Pseudosiderastrea tayami	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
625.	False Spike	Quincuncina mitchelli	Clams	Texas
626.	Fanshell	Cyprogenia stegaria	Clams	Alabama, Illinois, Indiana, Kentucky, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia
627.	Fat Pocketbook	Potamilus capax	Clams	Arkansas, Illinois, Indiana, Iowa, Kentucky, Mississippi, Missouri, Ohio
628.	Fat Three-ridge Mussel	Amblema neislerii	Clams	Florida, Georgia
629.	Fat-whorled Pondsnai	Stagnicola bonnevillensis	Snails	Utah, Wyoming
630.	Fenney Spring Hydrobe	Aphaostracon xynoelictum	Snails	Florida
631.	Few-flowered Navarretia	Navarretia leucocephala ssp. pauciflora	Plants	California
632.	Fine-lined Pocketbook	Lampsilis altilis	Clams	Alabama, Georgia, Tennessee
633.	Fine-rayed Pigtoe Pearlymussel	Fusconaia cuneolus	Clams	Tennessee, Virginia
634.	Flat Pebblesnail	Lepyrium showalteri	Snails	Alabama
635.	Flat Pigtoe	Pleurobema marshalli	Clams	Alabama, Mississippi
636.	Flat-tailed Horned Lizard	Phrynosoma mcallii	Reptiles	Arizona, California, Mexico
637.	Flattened Musk Turtle	Sternotherus depressus	Reptiles	Alabama
638.	Flaxen Elimia	Elimia boykiniana	Snails	Alabama, Georgia
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639.	Flordia Torreya	Torreya taxifolia	Plants	Florida, Georgia
640.	Florida Bog Frog	Lithobates okaloosae	Amphibians	Florida
641.	Florida Bonneted Bat	Eumops floridanus	Mammals	Florida
642.	Florida Cave Amphipod	Crangonyx grandimanus	Crustaceans	Florida
643.	Florida Cave Shrimp	Palaemonetes cummingi	Crustaceans	Florida
644.	Florida Deermouse	Podomys floridanus	Mammals	Florida
645.	Florida Fairy Shrimp	Dexteria floridana	Crustaceans	Florida
646.	Florida Golden Aster	Chrysopsis floridana	Plants	Florida
647.	Florida Grasshopper Sparrow	Ammodramus savannarum floridanus	Birds	Florida
648.	Florida Perforate Cladonia	Cladonia perforata	Plants	Florida
649.	Florida Salt Marsh Vole	Microtus pennsylvanicus dukecampbelli	Mammals	Florida
650.	Florida Sand Skink	Neoseps reynoldsi	Reptiles	Florida
651.	Florida Scrub Lizard	Sceloporus woodi	Reptiles	Florida
652.	Florida Scrub-jay	Aphelocoma coerulescens	Birds	Florida
653.	Florida Yew	Taxus floridana	Plants	Florida
654.	Ziziphus celata	Ziziphus celata	Plants	Florida
655.	Flueggea neowawraea	Flueggea neowawraea	Plants	Hawaii
656.	Fluted Pebblesnail	Somatogyrus hendersoni	Snails	Alabama
657.	Flying Earwig Hawaiian Damselfly	Megalagrion nesiotes	Insects	Hawaii
658.	Foothill Yellow-legged Frog	Rana boylii	Amphibians	California, Mexico, Oregon
659.	Formica dirksi	Formica dirksi	Insects	United States
660.	Formica talbotae	Formica talbotae	Insects	United States
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661.	Formicoxenus chamberlini	Formicoxenus chamberlini	Insects	United States
662.	Formicoxenus provancheri	Formicoxenus provancheri	Insects	Canada, United States
663.	Fosberg's Love Grass	Eragrostis fosbergii	Plants	Hawaii
664.	Fountain Darter	Etheostoma fonticola	Fishes	Texas
665.	Fountain Thistle	Cirsium fontinale	Plants	California
666.	Four-petal Pawpaw	Asimina tetramera	Plants	Florida
667.	Fourche Mountain Salamander	Plethodon fourchensis	Amphibians	Arkansas
668.	Foushee Cavesnail	Amnicola cora	Snails	Arkansas
669.	Fragrant Prickly-apple	Cereus eriophorus var fragrans	Plants	Florida
670.	Franklin Tree	Franklinia alatamaha	Plants	Georgia
671.	Franklin's Bumble Bee	Bombus franklini	Insects	California, Oregon
672.	Fraser Fir	Abies fraseri	Plants	North Carolina, Tennessee, Virginia
673.	Fraternal Snail	Micrarionta feralis	Snails	California
674.	Freckled Darter	Percina lenticula	Fishes	Alabama, Georgia, Louisiana, Mississippi
675.	French Broad Crayfish	Cambarus reburrus	Crustaceans	North Carolina
676.	Frilled Shark	Chlamydoselachus anguineus	Fishes	Angola, Australia, Chile, France, Guyana, Japan, Mauritania, Morocco, Namibia, New Zealand, Norway, Portugal (Madeira), South Africa, Spain, United Kingdom, United States (California)
677.	Fringe Tree	Chionanthus pygmaeus	Plants	Florida
678.	Frosted Flatwoods Salamander	Ambystoma cingulatum	Amphibians	Florida, Georgia, South Carolina
679.	Frye's Limbella Moss	Limbella fryei	Plants	Oregon
680.	Fungia fungites	Fungia fungites	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
681.	Furbish Lousewort	Pedicularis furbishiae	Plants	Canada (New Brunswick), Maine
682.	Fuzzy Pigtoe	Pleurobema strodeanum	Clams	Alabama, Florida
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683.	Gabb's Snail	Micrarionta gabbii	Snails	California
684.	Galapagos Shark	Carcharhinus galapagensis	Fishes	Africa, Asia, Australia, Central America, Europe, North America (Hawaii/US Territory), Oceanic, South America
685.	Gambel's Watercress	Rorippa gambellii	Plants	California
686.	Gammon's Riffle Beetle	Stenelmis gammoni	Insects	Alabama, North Carolina, Virginia
687.	Gardenia brighamii	Gardenia brighamii	Plants	Hawaii
688.	Gardenia mannii	Gardenia mannii	Plants	Hawaii
689.	Garrett's Mint	Dicerandra christmanii	Plants	Florida
690.	Gaudichaud's Exocarpus	Exocarpos gaudichaudii	Plants	Hawaii
691.	Gaviota Tarplant	Deinandra increscens ssp. villosa	Plants	California
692.	Gentian Pinkroot	Spigelia gentianoides	Plants	Alabama, Florida
693.	Gentner's Fritillary	Fritillaria gentneri	Plants	Oregon
694.	Georgia Blind Salamander	Eurycea wallacei	Amphibians	Florida, Georgia
695.	Campbell's Liverwort	Geothallus tuberosus	Plants	California
696.	Geranium arboreum	Geranium arboreum	Plants	Hawaii
697.	Geranium multiflorum	Geranium multiflorum	Plants	Hawaii
698.	Giant Butterfly Ray	Gymnura altavela	Fishes	Africa, Asia, Central America, Europe, Middle East, North America (including United States), South America
699.	Giant Clam	Tridacna gigas	Clams	Asia, Australia, North America (United States Territory), Oceanic
700.	Giant Garter Snake	Thamnophis gigas	Reptiles	California
701.	Giant Kangaroo Rat	Dipodomys ingens	Mammals	California
702.	Giant Palouse Earthworm	Driloleirus americanus	Worms	Idaho, Washington
703.	Giant Wrasse	Cheilinus undulatus	Fishes	Africa, Asia, Australia, Middle East, Oceanic, United States Minor Outlying Islands (Wake Is.)
704.	Gila Chub	Gila intermedia	Fishes	Arizona, Mexico, New Mexico
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705.	Gila Monster	Heloderma suspectum	Reptiles	Mexico, United States
706.	Gila Springsnail	Pyrgulopsis gilae	Snails	New Mexico
707.	Gila Topminnow	Poeciliopsis occidentalis	Fishes	Arizona, New Mexico
708.	Gila Trout	Oncorhynchus gilae	Fishes	Arizona, New Mexico
709.	Gilia	Gilia tenuiflora	Plants	California
710.	Giuliani's Dune Scarab Beetle	Pseudocotalpa giulianii	Insects	Nevada
711.	Glacier Bay Wolf Spider	Pardosa diuturna	Arachnids	United States (Alaska)
712.	Gladiator Elimia	Elimia hydei	Snails	Alabama
713.	Globose Dune Beetle	Coelus globosus	Insects	California, Mexico
714.	Golden White-eye	Cleptornis marchei	Birds	Northern Mariana Islands
715.	Golden-cheeked Wood Warbler	Dendroica chrysoparia	Birds	Belize, Guatemala, Honduras, Mexico, Nicaragua, Texas
716.	Golden-winged Warbler	Vermivora chrysoptera	Birds	Central America, Europe, North America (including United States), Oceanic, South America
717.	Goldline Darter	Percina aurolineata	Fishes	Alabama, Georgia
718.	Goliath Grouper	Epinephelus itajara	Fishes	Africa, Central and South America, Mexico, United States (Florida, Minor Outlying Islands)
719.	Goniastrea favulus	Goniastrea favulus	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, North America (United States Territory), Oceanic
720.	Goniastrea minuta	Goniastrea minuta	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Oceanic
721.	Goniastrea palauensis	Goniastrea palauensis	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, North America (United States Territory), Oceanic
722.	Goniopora lobata	Goniopora lobata	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
723.	Goniopora minor	Goniopora minor	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
724.	Goniopora stokesi	Goniopora stokesi	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
725.	Gopher Frog	Rana capito	Amphibians	United States
726.	Gopher Tortoise	Gopherus polyphemus	Reptiles	Alabama, Florida, Georgia, Louisiana, Mississippi, South Carolina
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727.	Gouania hillebrandii	Gouania hillebrandii	Plants	Hawaii
728.	Gouania meyenii	Gouania meyenii	Plants	Hawaii
729.	Gouania vitifolia	Gouania vitifolia	Plants	Hawaii
730.	Gould's Petrel	Pterodroma leucoptera	Birds	American Samoa, Antarctica, Australia, Cook Islands, French Polynesia, New Caledonia, New Zealand, Niue, Peru, Pitcairn, Wallis and Futuna
731.	Government Canyon Bat Cave Meshweaver	Cicurina vespera	Arachnids	Texas
732.	Government Canyon Bat Cave Spider	Neoleptoneta microps	Arachnids	Texas
733.	Gowen Cypress	Cupressus goveniana	Plants	California
734.	Grady's Cave Amphipod	Stygobromus gradyi	Crustaceans	California
735.	Grand Wash Springsnail	Pyrgulopsis bacchus	Snails	Arizona
736.	Grape Coral	Euphyllia cristata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, North America (United States Territory), Oceanic
737.	Gray Bat	Myotis grisescens	Mammals	Central and Southeastern USA
738.	Gray Nurse Shark	Carcharias taurus	Fishes	Africa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic, South America
739.	Gray Wolf	Canis lupus	Mammals	Mexico, United States
740.	Gray-checkered Whiptail	Aspidoscelis dixoni	Reptiles	New Mexico, Texas
741.	Great White Shark	Carcharodon carcharias	Fishes	Africa, Asia, Australia, Central America, Europe, Middle East, North America (including United States and Hawaii), Oceanic, South America
742.	Greater Prairie-chicken	Tympanuchus cupido attwateri	Birds	Canada, United States
743.	Greater Sage-grouse	Centrocercus urophasianus	Birds	Canada, United States
744.	Green Pitcher-plant	Sarracenia oreophila	Plants	Alabama, Georgia, North Carolina, Tennessee
745.	Green Salamander	Aneides aeneus	Amphibians	United States
746.	Green Sea Turtle	Chelonia mydas	Reptiles	Florida, Mexico (nesting populations), temperate seas and oceans
747.	Green Sturgeon	Acipenser medirostris	Fishes	Alaska, California, Canada (British Columbia), Mexico, Oregon
748.	Green Torch Coral	Euphyllia glabrescens	Corals, Jellyfish, and Sea Anemones	Africa, Antarctica, Asia, Australia, Europe, Middle East, North America (United States Territory)
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749.	Greenbrier Cave Amphipod	Stygobromus emarginatus	Crustaceans	Maryland, West Virginia
750.	Greenbrier Cave Crayfish	Cambarus nerterius	Crustaceans	West Virginia
751.	Greenbrier Cavesnail	Fontigens turritella	Snails	West Virginia
752.	Greene's Tuctoria	Tuctoria greenei	Plants	California
753.	Greenflower Indian Mallow	Abutilon sandwicense	Plants	Hawaii
754.	Greenland Shark	Somniosus microcephalus	Fishes	Canada, Denmark, Germany, Greenland, Iceland, Maine, Massachusetts, North Carolina, Norway, Russia
755.	Greensboro Burrowing Crayfish	Cambarus catagius	Crustaceans	North Carolina
756.	Ground Beetle	Rhadine exilis	Insects	Texas
757.	Ground Beetle	Rhadine infernalis	Insects	Texas
758.	Guadalupe Fur Seal	Arctocephalus townsendi	Mammals	California, Mexico
759.	Guadalupe Island Cypress	Cupressus guadalupensis	Plants	California, Mexico
760.	Guam Micronesian Kingfisher	Halcyon cinnamomina cinnamomina	Birds	West Pacific Ocean (USA - Guam)
761.	Guam Rail	Rallus owstoni	Birds	West Pacific Ocean (USA - Guam)
762.	Guam Swiftlet	Collocalia bartschi	Birds	Guam, Hawaii, Northern Mariana Islands
763.	Gulf Grouper	Mycteroperca jordani	Fishes	California, Mexico
764.	Gulf Moccasinshell	Medionidus penicillatus	Clams	Alabama, Florida, Georgia
765.	Gulf Sturgeon	Acipenser oxyrinchus	Fishes	Canada, United States
766.	Gulickia alexandri	Gulickia alexandri	Snails	Hawaii
767.	Gulper Shark	Centrophorus granulosus	Fishes	Africa, Asia, Central America, Europe, Middle East, North America (including United States and Hawaii), South America
768.	Gunnison Sage Grouse	Centrocercus minimus	Birds	Colorado, Utah
769.	Guthrie's Ground-plum	Astragalus bibullatus	Plants	Tennessee
770.	Ha'iwale	Cyrtandra crenata	Plants	Hawaii
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771.	Ha'iwale	Cyrtandra cyaneoides	Plants	Hawaii
772.	Ha'iwale	Cyrtandra dentata	Plants	Hawaii
773.	Ha'iwale	Cyrtandra giffardii	Plants	Hawaii
774.	Ha'iwale	Cyrtandra kaulantha	Plants	Hawaii
775.	Ha'iwale	Cyrtandra munroi	Plants	Hawaii
776.	Ha'iwale	Cyrtandra polyantha	Plants	Hawaii
777.	Ha'iwale	Cyrtandra subumbellata	Plants	Hawaii
778.	Ha'iwale	Cyrtandra tintinnabula	Plants	Hawaii
779.	Ha'iwale	Cyrtandra viridiflora	Plants	Hawaii
780.	Ha'iwale	Cyrtandra waiolani	Plants	Hawaii
781.	Haddock	Melanogrammus aeglefinus	Fishes	Asia, Europe, North America (including United States), Oceanic
782.	Haha	Cyanea aculeatiflora	Plants	Hawaii
783.	Haha	Cyanea acuminata	Plants	Hawaii
784.	Haha	Cyanea asarifolia	Plants	Hawaii
785.	Haha	Cyanea asplenifolia	Plants	Hawaii
786.	Haha	Cyanea calycina	Plants	Hawaii
787.	Haha	Cyanea copelandii	Plants	Hawaii
788.	Haha	Cyanea crispa	Plants	Hawaii
789.	Haha	Cyanea dunbariae	Plants	Hawaii
790.	Haha	Cyanea dunbarii	Plants	Hawaii
791.	Haha	Cyanea eleeleensis	Plants	Hawaii
792.	Haha	Cyanea fauriei	Plants	Hawaii
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793.	Haha	Cyanea gibsonii	Plants	Hawaii
794.	Haha	Cyanea glabra	Plants	Hawaii
795.	Haha	Cyanea grimesiana	Plants	Hawaii
796.	Haha	Cyanea habenata	Plants	Hawaii
797.	Haha	Cyanea hamatiflora	Plants	Hawaii
798.	Haha	Cyanea hardyi	Plants	Hawaii
799.	Haha	Cyanea horrida	Plants	Hawaii
800.	Haha	Cyanea humboldtiana	Plants	Hawaii
801.	Haha	Cyanea koolauensis	Plants	Hawaii
802.	Haha	Cyanea leptostegia	Plants	Hawaii
803.	Haha	Cyanea lobata	Plants	Hawaii
804.	Haha	Cyanea longiflora	Plants	Hawaii
805.	Haha	Cyanea macrostegia ssp. gibsonii	Plants	Hawaii
806.	Haha	Cyanea mannii	Plants	Hawaii
807.	Haha	Cyanea mceldowneyi	Plants	Hawaii
808.	Haha	Cyanea pinnatifida	Plants	Hawaii
809.	Haha	Cyanea platyphylla	Plants	Hawaii
810.	Haha	Cyanea procera	Plants	Hawaii
811.	Haha	Cyanea remyi	Plants	Hawaii
812.	Haha	Cyanea shipmanii	Plants	Hawaii
813.	Haha	Cyanea solenocalyx	Plants	Hawaii
814.	Haha	Cyanea st-johnii	Plants	Hawaii
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815.	Haha	Cyanea stictophylla	Plants	Hawaii
816.	Haha	Cyanea superba	Plants	Hawaii
817.	Haha	Cyanea tritomantha	Plants	Hawaii
818.	Haha	Cyanea truncata	Plants	Hawaii
819.	Haha	Cyanea undulata	Plants	Hawaii
820.	Hairy Orcutt Grass	Orcuttia pilosa	Plants	California
821.	Hairy Rattleweed	Baptisia arachnifera	Plants	Georgia
822.	Hala pepe	Pleomele hawaiiensis	Plants	Hawaii
823.	Haleakala Clermontia	Clermontia tuberculata	Plants	Hawaii
824.	Halemanu's Broomspurge	Chamaesyce halemanui	Plants	Hawaii
825.	Hamakua Clermontia	Clermontia pyrularia	Plants	Hawaii
826.	Hammerhead Shark	Sphyrna mokarran	Fishes	Africa, Asia, Australia, Central and South America, Middle East, Oceanic, United States
827.	Hana Clermontia	Clermontia samuelii	Plants	Hawaii
828.	Hara's Cave Amphipod	Stygobromus harai	Crustaceans	California
829.	Diploastrea Brain Coral	Diploastrea heliopora	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Europe, Africa, and the Middle East, North America (United States Territory), Oceanic
830.	Harney Basin Duskysnail	Colligyrus depressus	Snails	Oregon
831.	Harpagoxenus canadensis	Harpagoxenus canadensis	Insects	Canada, United States
832.	Harper's Beauty	Harperocallis flava	Plants	Florida
833.	Harperella	Ptilimnium nodosum	Plants	Alabama, Arkansas, Georgia, Maryland, North Carolina, South Carolina, West Virginia
834.	Hartweg's Golden Sunburst	Pseudobahia bahiifolia	Plants	California
835.	Hatchie Burrowing Crayfish	Fallicambarus hortoni	Crustaceans	Tennessee
836.	Hau kuahiwi	Hibiscadelphus giffardianus	Plants	Hawaii
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837.	Hau kuahiwi	Hibiscadelphus hualalaiensis	Plants	Hawaii
838.	Hau kuahiwi	Hibiscadelphus woodii	Plants	Hawaii
839.	Platanthera holochila	Platanthera holochila	Plants	Hawaii
840.	Hawaii Clermontia	Clermontia hawaiiensis	Plants	Hawaii
841.	Hawaii Creeper	Oreomystis mana	Birds	Hawaii
842.	Hawaii Jewel-orchid	Anoectochilus sandvicensis	Plants	Hawaii
843.	Hawaii Kauilatree	Alphitonia ponderosa	Plants	Hawaii
844.	Hawaii Lady's Nightcap	Bonamia menziesii	Plants	Hawaii
845.	Hawaii pilo kea	Platydesma remyi	Plants	Hawaii
846.	Hawaii Scaleseed	Spermolepis hawaiiensis	Plants	Hawaii
847.	Hawaiian Bluegrass	Poa sandvicensis	Plants	Hawaii
848.	Hawaiian Coot	Fulica americana alai	Birds	Hawaii
849.	Hawaiian Crow	Corvus hawaiiensis	Birds	Hawaii
850.	Hawaiian Dark-rumped Petrel	Pterodroma phaeopygia sandwichensis	Birds	Hawaii
851.	Hawaiian Duck	Anas wyvilliana	Birds	Hawaii
852.	Hawaiian Goose	Branta sandvicensis	Birds	Hawaii
853.	Hawaiian Grouper	Epinephelus quernus	Fishes	Hawaii, United States Minor Outlying Islands
854.	Hawaiian Hawk	Buteo solitarius	Birds	Hawaii
855.	Hawaiian Hoary Bat	Lasiurus cinereus semotus	Mammals	Hawaii
856.	Hawaiian Monk Seal	Monachus schauinslandi	Mammals	Hawaii
857.	Hawaiian Petrel	Pterodroma sandwichensis	Birds	French Polynesia, Hawaii, Indonesia, Japan, Philippines
858.	Hawaiian Stilt	Himantopus mexicanus knudseni	Birds	Hawaii
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859.	Hawaiian Tree Cotton	Kokia drynarioides	Plants	Hawaii
860.	Hawaiian Vetch	Vicia menziesii	Plants	Hawaii
861.	Hay's Spring Amphipod	Stygobromus hayi	Crustaceans	District of Columbia
862.	Serianthes nelsonii	Serianthes nelsonii	Plants	Western Pacific Ocean (USA.- GU, MP-Rota)
863.	Heart-Shaped Delissea	Delissea subcordata	Plants	Hawaii
864.	Heau	Exocarpos luteolus	Plants	Hawaii
865.	Heavy Pigtoe	Pleurobema taitianum	Clams	Alabama, Mississippi
866.	Hedrick's Robber Frog	Eleutherodactylus hedricki	Amphibians	Puerto Rico
867.	Hedyotis cookiana	Hedyotis cookiana	Plants	Hawaii
868.	Heermann's Gull	Larus heermanni	Birds	Arizona, California, Canada, Guatemala, Mexico, Oregon, Washington
869.	Hell Creek Crayfish	Cambarus zophonastes	Crustaceans	Arkansas
870.	Hellbender	Cryptobranchus alleganiensis	Amphibians	United States
871.	Helotes Mold Beetle	Batrisodes venyivi	Insects	Texas
872.	Henriettea membranifolia	Henriettea membranifolia	Plants	Puerto Rico
873.	Henslow's Sparrow	Ammodramus henslowii	Birds	Canada, United States
874.	Herbst's Sandmat	Chamaesyce herbstii	Plants	Hawaii
875.	Hermes Copper	Lycaena hermes	Insects	California, Mexico
876.	Hesperodiaptomus augustaensis	Hesperodiaptomus augustaensis	Crustaceans	North Carolina
877.	Hesperodiaptomus californiensis	Hesperodiaptomus californiensis	Crustaceans	California
878.	Hesperomannia arborescens	Hesperomannia arborescens	Plants	Hawaii
879.	Hesperomannia arbuscula	Hesperomannia arbuscula	Plants	Hawaii
880.	Hesperomannia lydgatei	Hesperomannia lydgatei	Plants	Hawaii
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881.	Hibiscus arnottianus ssp. immaculatus	Hibiscus arnottianus ssp. immaculatus	Plants	Hawaii
882.	Hibiscus brackenridgei	Hibiscus brackenridgei	Plants	Hawaii
883.	Hibiscus clayi	Hibiscus clayi	Plants	Hawaii
884.	Hibiscus waimeae ssp. hannerae	Hibiscus waimeae ssp. hannerae	Plants	Hawaii
885.	Hickman's Potentilla	Potentilla hickmanii	Plants	California
886.	Hidden Pebblesnail	Somatogyrus decipiens	Snails	Alabama
887.	Hidden-petaled Abutilon	Abutilon eremitopetalum	Plants	Hawaii
888.	Higgins Eye Pearlymussel	Lampsilis higginsii	Clams	Illinois, Iowa, Minnesota, Montana, Nebraska, Wisconsin
889.	Highfin Coral Grouper	Plectropomus oligacanthus	Fishes	Australia, Brunei Darussalam, Federated States of Micronesia, Indonesia, Malaysia, Marshall Islands, Palau, Papua New Guinea, Philippines, Solomon Islands, Timor-Leste
890.	Higuero de sierra	Crescentia portoricensis	Plants	Puerto Rico
891.	Hillside Clermontia	Clermontia lindseyana	Plants	Hawaii
892.	Hilo Ischaemum	Ischaemum byrone	Plants	Hawaii
893.	Hine's Emerald Dragonfly	Somatochlora hineana	Insects	Illinois, Indiana, Ohio, Wisconsin
894.	Hispaniolan Amazon	Amazona ventralis	Birds	Dominican Republic, Puerto Rico, Virgin Islands (British and US)
895.	Hiwassee Crayfish	Cambarus hiwasseensis	Crustaceans	Georgia, North Carolina, Tennessee
896.	Hiwassee Headwater Crayfish	Cambarus parrishi	Crustaceans	Georgia, North Carolina
897.	Hobb's Cave Amphipod	Crangonyx hobbsi	Crustaceans	Florida
898.	Hobbseus cristatus	Hobbseus cristatus	Crustaceans	Mississippi
899.	Hodges' Clubtail	Gomphus hodgesi	Insects	Alabama, Florida, Louisiana, Mississippi
900.	Hoffmann's Rock-cress	Arabis hoffmannii	Plants	California
901.	Hogfish	Lachnolaimus maximus	Fishes	Central America, North America (including United States), Oceanic, South America
902.	Holly	Ilex cookii	Plants	Puerto Rico
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903.	Holly	Ilex sintenisii	Plants	Puerto Rico
904.	Holmgren Milk-vetch	Astragalus holmgreniorum	Plants	Arizona, Utah
905.	Holy Ghost Ipomopsis	Ipomopsis sancti-spiritus	Plants	New Mexico
906.	Holywood Lignum Vitae	Guaiacum sanctum	Plants	Central and South America, Florida, Mexico, Puerto Rico
907.	Honohono	Haplostachys haplostachya	Plants	Hawaii
908.	Hood Ancylid	Ferrissia mcneili	Snails	Alabama, Florida
909.	Houston Toad	Bufo houstonensis	Amphibians	Texas
910.	Howarth's Cave Cricket	Caconemobius howarthi	Insects	Hawaii
911.	Howell's Spineflower	Chorizanthe howellii	Plants	California
912.	Huachuca Springsnail	Pyrgulopsis thompsoni	Snails	Arizona
913.	Huachuca Water-umbel	Lilaeopsis schaffneriana var. recurva	Plants	Arizona, Mexico
914.	Hualapai Mexican Vole	Microtus mexicanus hualpaiensis	Mammals	Arizona
915.	Humpback Chub	Gila cypha	Fishes	Arizona, Colorado, Utah, Wyoming
916.	Hungerford's Crawling Water Beetle	Brychius hungerfordi	Insects	Canada, Michigan
917.	Hydnophora Coral	Hydnophora exesa	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America, Oceanic
918.	Hydnophora Coral	Hydnophora microconos	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
919.	St. John's-wort	Hypericum cumulicola	Plants	Florida
920.	Ichetucknee Siltsnail	Cincinnatia mica	Snails	Florida
921.	Idaho Ground Squirrel	Spermophilus brunneus	Mammals	Idaho
922.	Idaho Point-headed Grasshopper	Acrolophitus pulchellus	Insects	Idaho
923.	Idaho Springsnail	Pyrgulopsis idahoensis	Snails	Idaho
924.	Ihi'ihi	Marsilea villosa	Plants	Hawaii
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925.	Iiwi	Vestiaria coccinea	Birds	Hawaii
926.	Illinois Cave Amphipod	Gammarus acherondytes	Crustaceans	Illinois
927.	Indian Knob Mountain Balm	Eriodictyon altissimum	Plants	California
928.	Indiana Bat	Myotis sodalis	Mammals	Eastern and Midwestern USA
929.	Interior Robber Frog	Eleutherodactylus locustus	Amphibians	Puerto Rico
930.	Inyo Mountains Salamander	Batrachoseps campi	Amphibians	California
931.	Ione Buckwheat	Eriogonum apricum	Plants	California
932.	Iowa Pleistocene Snail	Discus macclintocki	Snails	Illinois, Iowa
933.	Ischnura gemina	Ischnura gemina	Insects	California
934.	Island Fox	Urocyon littoralis	Mammals	California
935.	Island Malacothrix	Malacothrix squalida	Plants	California
936.	Island Phacelia	Phacelia insularis ssp. insularis	Plants	California
937.	Island Scrub-jay	Aphelocoma insularis	Birds	California
938.	Isopora crateriformis	Isopora crateriformis	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Oceanic
939.	Isopora cuneata	Isopora cuneata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, North America (United States Territory), Oceanic
940.	Isopora palifera	Isopora palifera	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
941.	Ivory Gull	Pagophila eburnea	Birds	Asia, Europe, North America (including United States), Oceanic
942.	Ivory-billed Woodpecker	Campephilus principalis	Birds	Cuba, USA (southcentral and southeastern)
943.	Jack Bean	Canavalia pubescens	Plants	Hawaii
944.	Jackson Prarie Crayfish	Procambarus barbiger	Crustaceans	Mississippi
945.	Jaguar	Panthera onca	Mammals	Arizona, California, Central and South America, Louisiana, Mexico, New Mexico, Texas
946.	Jaguarundi	Herpailurus yagouaroundi	Mammals	Arizona, Costa Rica, Mexico, Nicaragua, Panama, Texas
Featured Articles: Orphaned cougar cubs progressing well at Toledo Zoo 10 Unusually White Creatures You'll Probably Never See in Real Life Rare white giraffes sighted for the first time in Kenya When the Hunter Becomes the Hunted: The Power of Africa's Cape Buffalo More articles
947.	Jamaican Broom	Chamaecrista glandulosa var. mirabilis	Plants	Puerto Rico
948.	James Spinymussel	Pleurobema collina	Clams	Virginia, West Virginia
949.	Japanese Devilray	Mobula japanica	Fishes	Africa, Asia, Australia, Central America, Hawaii, Middle East, North America, Oceanic, South America
950.	Jay's River Snail	Lithasia jayana	Snails	Tennessee
951.	Jemez Mountains Salamander	Plethodon neomexicanus	Amphibians	New Mexico
952.	Jesup's Milk-vetch	Astragalus robbinsii var. jesupi	Plants	New Hampshire, Vermont
953.	Johnston's Frankenia	Frankenia johnstonii	Plants	Mexico (Nuevo Leon), Texas
954.	Jollyville Plateau Salamander	Eurycea tonkawae	Amphibians	Texas
955.	Juan Fernandez Petrel	Pterodroma externa	Birds	Australia, Chile, French Polynesia, Guam, Japan, Mexico, New Zealand, United States
956.	Junaluska Salamander	Eurycea junaluska	Amphibians	North Carolina, Tennessee
957.	June Sucker	Chasmistes liorus	Fishes	Utah
958.	Kalalau Valley Remya	Remya montgomeryi	Plants	Hawaii
959.	Kalalau Valley Stenogyne	Stenogyne campanulata	Plants	Hawaii
960.	Kalealaha Beggarticks	Bidens micrantha ssp. kalealaha	Plants	Hawaii
961.	Kamakahala	Labordia cyrtandrae	Plants	Hawaii
962.	Kamakahala	Labordia kaalae	Plants	Hawaii
963.	Kamakahala	Labordia lydgatei	Plants	Hawaii
964.	Kamakahala	Labordia tinifolia	Plants	Hawaii
965.	Kamakahala	Labordia triflora	Plants	Hawaii
966.	Kamanomano	Cenchrus agrimonioides	Plants	Hawaii
967.	Kanab Amber Snail	Oxyloma kanabense	Snails	Arizona, Canada, Utah
968.	Kanab Ambersnail	Oxyloma haydeni kanabensis	Snails	Arizona, Utah
Featured Articles: Twelve Incredibly Odd Endangered Creatures Eight Inexpensive Ways You Can Help Endangered Species The Seven Sea Turtle Species of the World Rare Black Panther Seen Alive in Kenya More articles
969.	Kanawha Minnow	Phenacobius teretulus	Fishes	North Carolina, Virginia, West Virginia
970.	Kangaroo Rat	Dipodomys nitratoides	Mammals	California
971.	Kansas Aschisma Moss	Aschisma kansanum	Plants	Kansas
972.	Karl's Robber Frog	Eleutherodactylus karlschmidti	Amphibians	Puerto Rico
973.	Karner Blue Butterfly	Lycaeides melissa samuelis	Insects	Canada (Ontario), Illinois, Indiana, Massachusetts, Michigan, Minnesota, New Hampshire, New York, Ohio, Pennsylvania, Wisconsin
974.	Kauai 'O'o	Moho braccatus	Birds	Hawaii
975.	Kauai Akialoa	Hemignathus procerus	Birds	Hawaii
976.	Kauai Amakihi	Hemignathus kauaiensis	Birds	Hawaii
977.	Kauai Bluegrass	Poa siphonoglossa	Plants	Hawaii
978.	Kauai Cave Amphipod	Spelaeorchestia koloana	Crustaceans	Hawaii
979.	Kauai Cave Wolf Spider	Adelocosa anops	Arachnids	Hawaii
980.	Kauai Delissea	Delissea rhytidosperma	Plants	Hawaii
981.	Hau kuahiwi	Hibiscadelphus distans	Plants	Hawaii
982.	Kauai Koki'o	Kokia kauaiensis	Plants	Hawaii
983.	Kauai Pa'iniu	Astelia waialealae	Plants	Hawaii
984.	Kauai Remya	Remya kauaiensis	Plants	Hawaii
985.	Kauai Thin-footed Bush Cricket	Thaumatogryllus variegatus	Insects	Hawaii
986.	Kauila	Colubrina oppositifolia	Plants	Hawaii
987.	Kaulu	Pteralyxia kauaiensis	Plants	Hawaii
988.	Kaumana Cave Cricket	Caconemobius varius	Insects	Hawaii
989.	Kearney's Blue-star	Amsonia kearneyana	Plants	Arizona
990.	Keck's Checker-mallow	Sidalcea keckii	Plants	California
Featured Articles: Orphaned cougar cubs progressing well at Toledo Zoo 10 Unusually White Creatures You'll Probably Never See in Real Life Rare Black Panther Seen Alive in Kenya Helping Endangered Fish After California Wildfires More articles
991.	Keeled Sideband	Monadenia circumcarinata	Snails	California
992.	Kelso Giant Sand Treader Cricket	Macrobaenetes kelsoensis	Insects	California
993.	Kelso Jerusalem Cricket	Ammopelmatus kelsoensis	Insects	California
994.	Kentucky Cave Shrimp	Palaemonias ganteri	Crustaceans	Kentucky
995.	Kern Canyon Slender Salamander	Batrachoseps simatus	Amphibians	California
996.	Kern Mallow	Eremalche kernensis	Plants	California
997.	Kern Plateau Salamander	Batrachoseps robustus	Amphibians	California
998.	Kern Shoulderband	Helminthoglypta callistoderma	Snails	California
999.	Key Largo Cotton Mouse	Peromyscus gossypinus allapaticola	Mammals	Florida
1000.	Key Largo Woodrat	Neotoma floridana smalli	Mammals	Florida
1001.	Keys Scaly Cricket	Cycloptilum irregularis	Insects	Florida
1002.	Keys Short-winged Conehead Katydid	Belocephalus sleighti	Insects	Florida
1003.	Killer Whale	Orcinus orca	Mammals	Southern Resident DPS (Canada, USA - WA)
1004.	Kings River Slender Salamander	Batrachoseps regius	Amphibians	California
1005.	Kio'ele	Hedyotis coriacea	Plants	Hawaii
1006.	Kirtland's Snake	Clonophis kirtlandii	Reptiles	Illinois, Indiana, Kentucky, Michigan, Ohio
1007.	Kirtland's Wood Warbler	Dendroica kirtlandii	Birds	Bahamas, Bermuda - North Atlantic Ocean, Canada, Michigan, South Carolina, Turks and Caicos Islands, Wisconsin
1008.	Kittlitz's Murrelet	Brachyramphus brevirostris	Birds	Canada, Japan, Russia, United States
1009.	Kiyi	Coregonus kiyi	Fishes	Canada, United States
1010.	Kneeland Prairie Penny-cress	Thlaspi californicum	Plants	California
1011.	Knob Coral	Favia helianthoides	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1012.	Knob Coral	Favia lizardensis	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
Featured Articles: Ten creatures that may become extinct in the next 10 years Orphaned cougar cubs progressing well at Toledo Zoo 10 Unusually White Creatures You'll Probably Never See in Real Life Rare Black Panther Seen Alive in Kenya More articles
1013.	Knob Coral	Favia maritima	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1014.	Knob Coral	Favia matthaii	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic, South America
1015.	Knob Coral	Favia rotundata	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
1016.	Knob Coral	Favia stelligera	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic, South America
1017.	Knob Coral	Favia veroni	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
1018.	Knob Mudalia	Leptoxis minor	Snails	Alabama
1019.	Knotty Elimia	Elimia interrupta	Snails	Tennessee
1020.	Knowlton Cactus	Pediocactus knowltonii	Plants	Colorado, New Mexico
1021.	Viper Beggarticks	Bidens campylotheca	Plants	Hawaii
1022.	Ko'oloa'ula	Abutilon menziesii	Plants	Hawaii
1023.	Kodachrome Bladderpod	Lesquerella tumulosa	Plants	Utah
1024.	Kohala Mountain Clermontia	Clermontia drepanomorpha	Plants	Hawaii
1025.	Kohe malama malama o kanaloa	Kanaloa kahoolawensis	Plants	Hawaii
1026.	Koko'olau	Bidens amplectens	Plants	Hawaii
1027.	Kokomalei	Chamaesyce kuwaleana	Plants	Hawaii
1028.	Koolau Range Sandmat	Chamaesyce rockii	Plants	Hawaii
1029.	Kopa	Hedyotis schlechtendahliana var. remyi	Plants	Hawaii
1030.	Kosrae Flying Fox	Pteropus ualanus	Mammals	Federated States of Micronesia
1031.	Koster's Springsnail	Juturnia kosteri	Snails	New Mexico
1032.	Kretschmarr Cave Mold Beetle	Texamaurops reddelli	Insects	Texas
1033.	Kuahiwi laukahi	Plantago hawaiensis	Plants	Hawaii
1034.	Kuahiwi laukahi	Plantago princeps	Plants	Hawaii
Featured Articles: Eight Species Declared Extinct But May Still be Out There 10 Unusually White Creatures You'll Probably Never See in Real Life Rare white giraffes sighted for the first time in Kenya Rare Black Panther Seen Alive in Kenya More articles
1035.	Kuawawaenohu	Alsinidendron lychnoides	Plants	Hawaii
1036.	Kuenzler Hedgehog Cactus	Echinocereus fendleri var. kuenzleri	Plants	New Mexico
1037.	Kula Wahine Noho	Isodendrion pyrifolium	Plants	Hawaii
1038.	Kulu'i	Nototrichium humile	Plants	Hawaii
1039.	La Graciosa Thistle	Cirsium loncholepis	Plants	California
1040.	Lacy Elimia	Elimia crenatella	Snails	Alabama
1041.	Lagniappe Crayfish	Procambarus lagniappe	Crustaceans	Alabama, Mississippi
1042.	Laguna Mountains Skipper	Pyrgus ruralis lagunae	Insects	California
1043.	Lake County Stonecrop	Parvisedum leiocarpum	Plants	California
1044.	Lake Placid Funnel Wolf Spider	Sosippus placidus	Arachnids	Florida
1045.	Lakela's Mint	Dicerandra immaculata	Plants	Florida
1046.	Lamarck's Sheet Coral	Agaricia lamarcki	Corals, Jellyfish, and Sea Anemones	Central and South America, Europe, North America (including United States)
1047.	Laminella sanguinea	Laminella sanguinea	Snails	Hawaii
1048.	Lanai Hala Pepe	Pleomele fernaldii	Plants	Hawaii
1049.	Lanai Sandalwood	Santalum freycinetianum var. lanaiense	Plants	Hawaii
1050.	Lanai Sawsedge	Gahnia lanaiensis	Plants	Hawaii
1051.	Lane Mountain Milk-vetch	Astragalus jaegerianus	Plants	California
1052.	Lange's Metalmark Butterfly	Apodemia mormo langei	Insects	California
1053.	Larch Mountain Salamander	Plethodon larselli	Amphibians	Oregon, Washington
1054.	Large Ivory Coral	Oculina varicosa	Corals, Jellyfish, and Sea Anemones	Central America, North America (including United States), Oceanic, South America
1055.	Large Kauai Thrush	Myadestes myadestinus	Birds	Hawaii
1056.	Large-flowered Fiddleneck	Amsinckia grandiflora	Plants	California
Featured Articles: 10 Unusually White Creatures You'll Probably Never See in Real Life Photos that will make you think twice before littering Helping Endangered Fish After California Wildfires When the Hunter Becomes the Hunted: The Power of Africa's Cape Buffalo More articles
1057.	Large-fruited Sand-verbena	Abronia macrocarpa	Plants	Texas
1058.	Largetooth Sawfish	Pristis perotteti	Fishes	Africa, Central and South America, Europe, Mexico, United States
1059.	Laricis Tree Cricket	Oecanthus laricis	Insects	Michigan, Ohio
1060.	Lava Clermontia	Clermontia calophylla	Plants	Hawaii
1061.	Lava Rock Mountain Snail	Oreohelix waltoni	Snails	Idaho
1062.	Lavaslope False Lobelia	Trematolobelia singularis	Plants	Hawaii
1063.	Laysan Albatross	Phoebastria immutabilis	Birds	Alaska, Australia (Norfolk Island), California, Canada, Federated States of Micronesia, Hawaii, Marshall Islands, Mexico, New Zealand, Northern Mariana Islands, Oregon, Washington
1064.	Laysan Duck	Anas laysanensis	Birds	Hawaii
1065.	Laysan Finch	Telespyza cantans	Birds	Hawaii
1066.	Dalea foliosa	Dalea foliosa	Plants	Alabama, Illinois, Tennessee
1067.	Least Chub	Iotichthys phlegethontis	Fishes	Utah
1068.	Least Crayfish	Cambarellus diminutus	Crustaceans	Alabama, Mississippi
1069.	Least Tern	Sterna antillarum	Birds	Bahamas, Central America (winters), Greater and Lesser Antilles, Mexico, Northern South America, USA (California, including the Miss. R. Basin), Atlantic Gulf Coasts
1070.	Lee County Cave Isopod	Lirceus usdagalun	Crustaceans	Virginia
1071.	Leechleaf Delissea	Delissea undulata	Plants	Hawaii
1072.	Leon Springs Pupfish	Cyprinodon bovinus	Fishes	Texas
1073.	Leopard Darter	Percina pantherina	Fishes	Arkansas, Oklahoma
1074.	Leptachatina lepida	Leptachatina lepida	Snails	Hawaii
1075.	Leptoseris incrustans	Leptoseris incrustans	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1076.	Leptoseris yabei	Leptoseris yabei	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1077.	Leptothorax duloticus	Leptothorax duloticus	Insects	United States
1078.	Leptothorax minutissimus	Leptothorax minutissimus	Insects	United States
Featured Articles: Eight Species Declared Extinct But May Still be Out There Ten creatures that may become extinct in the next 10 years 10 Unusually White Creatures You'll Probably Never See in Real Life Helping Endangered Fish After California Wildfires More articles
1079.	Leptoxis ampla	Leptoxis ampla	Snails	Alabama
1080.	Lesser Long-nosed Bat	Leptonycteris curasoae yerbabuenae	Mammals	Arizona, El Salvador, Guatemala, Honduras, Mexico, New Mexico
1081.	Lesser Prairie-chicken	Tympanuchus pallidicinctus	Birds	Colorado, Kansas, Missouri, Nebraska, New Mexico, Oklahoma, Texas
1082.	Lesser White-fronted Goose	Anser erythropus	Birds	Asia, Europe, Middle East, North America (United States Territory)
1083.	Lidflower	Calyptranthes kiaerskovii	Plants	British Virgin Islands, Puerto Rico
1084.	Lidflower	Calyptranthes luquillensis	Plants	Puerto Rico
1085.	Lidflower	Calyptranthes portoricensis	Plants	Puerto Rico
1086.	Lidflower	Calyptranthes thomasiana	Plants	British Virgin Islands, Puerto Rico, Virgin Islands
1087.	Liliwai	Acaena exigua	Plants	Hawaii
1088.	Lily Shoals Elimia	Elimia annettae	Snails	Alabama
1089.	Limestone Salamander	Hydromantes brunus	Amphibians	California
1090.	Lined Seahorse	Hippocampus erectus	Fishes	Central America, North America (including United States), Oceanic, South America
1091.	Little Aguja Creek Pondweed	Potamogeton clystocarpus	Plants	Texas
1092.	Little Colorado Spinedace	Lepidomeda vittata	Fishes	Arizona
1093.	Little Mariana Fruit Bat	Pteropus tokudae	Mammals	West Pacific Ocean (USA - Guam)
1094.	Little Tennessee Crayfish	Cambarus georgiae	Crustaceans	Georgia, North Carolina
1095.	Little White Whiptail	Aspidoscelis gypsi	Reptiles	New Mexico
1096.	Littlewing Pearlymussel	Pegias fabula	Clams	Alabama, Kentucky, North Carolina, Tennessee, Virginia
1097.	Liver-oil Shark	Galeorhinus galeus	Fishes	Africa, Asia, Australia, Europe, Middle East, North America (including United States and Hawaii), South America
1098.	Lo'ulu	Pritchardia affinis	Plants	Hawaii
1099.	Lo'ulu	Pritchardia aylmer-robinsonii	Plants	Hawaii
1100.	Lo'ulu	Pritchardia forbesiana	Plants	Hawaii
Featured Articles: Twelve Incredibly Odd Endangered Creatures Rare white giraffes sighted for the first time in Kenya Helping Endangered Fish After California Wildfires When the Hunter Becomes the Hunted: The Power of Africa's Cape Buffalo More articles
1101.	Lo'ulu	Pritchardia glabrata	Plants	Hawaii
1102.	Lo'ulu	Pritchardia hardyi	Plants	Hawaii
1103.	Lo'ulu	Pritchardia kaalae	Plants	Hawaii
1104.	Lo'ulu	Pritchardia lanaiensis	Plants	Hawaii
1105.	Lo'ulu	Pritchardia lanigera	Plants	Hawaii
1106.	Lo'ulu	Pritchardia limahuliensis	Plants	Hawaii
1107.	Lo'ulu	Pritchardia munroi	Plants	Hawaii
1108.	Lo'ulu	Pritchardia napaliensis	Plants	Hawaii
1109.	Lo'ulu	Pritchardia perlmanii	Plants	Hawaii
1110.	Lo'ulu	Pritchardia remota	Plants	Hawaii
1111.	Lo'ulu	Pritchardia schattaueri	Plants	Hawaii
1112.	Lo'ulu	Pritchardia viscosa	Plants	Hawaii
1113.	Loach Minnow	Tiaroga cobitis	Fishes	Arizona, New Mexico
1114.	Lobelia gaudichaudii ssp. koolauensis	Lobelia gaudichaudii ssp. koolauensis	Plants	Hawaii
1115.	Lobelia monostachya	Lobelia monostachya	Plants	Hawaii
1116.	Lobelia niihauensis	Lobelia niihauensis	Plants	Hawaii
1117.	Lobelia oahuensis	Lobelia oahuensis	Plants	Hawaii
1118.	Lobophyllia diminuta	Lobophyllia diminuta	Corals, Jellyfish, and Sea Anemones	Asia, Australia, Europe, North America (United States Territory), Oceanic
1119.	Lobophyllia pachysepta	Lobophyllia pachysepta	Corals, Jellyfish, and Sea Anemones	Asia, Australia, Europe, North America (United States Territory), Oceanic
1120.	Loch Lomond Coyote Thistle	Eryngium constancei	Plants	California
1121.	Loggerhead Sea Turtle	Caretta caretta	Reptiles	Australia, Central and South America, Europe, Africa, Asia, and North America, Middle East, Oceanic
1122.	Logwood	Xylosma crenatum	Plants	Hawaii
Featured Articles: Orphaned cougar cubs progressing well at Toledo Zoo Twelve Incredibly Odd Endangered Creatures Captive cheetah gives birth to largest litter ever recorded The Seven Sea Turtle Species of the World More articles
1123.	Logwood	Xylosma pachyphyllum	Plants	Puerto Rico
1124.	Lompoc Grasshopper	Trimerotropis occulens	Insects	California
1125.	Lompoc Yerba Santa	Eriodictyon capitatum	Plants	California
1126.	Long-legged Cave Amphipod	Stygobromus longipes	Crustaceans	Texas
1127.	Longfin Mako	Isurus paucus	Fishes	Africa, Asia, Australia, Central America, Europe, North America (including United States and Hawaii), Oceanic, South America
1128.	Longhorn Fairy Shrimp	Branchinecta longiantenna	Crustaceans	California
1129.	Longspurred Mint	Dicerandra cornutissima	Plants	Florida
1130.	Lonoke Crayfish	Procambarus ferrugineus	Crustaceans	Arkansas
1131.	Lost River Sucker	Deltistes luxatus	Fishes	California, Oregon
1132.	Lotis Blue Butterfly	Lycaeides argyrognomon lotis	Insects	California
1133.	Louisiana Pearl Shell	Margaritifera hembeli	Clams	Louisiana
1134.	Louisiana Pine Snake	Pituophis ruthveni	Reptiles	Louisiana, Texas
1135.	Lower Keys Marsh Rabbit	Sylvilagus palustris hefneri	Mammals	Florida
1136.	Luquillo Mountain Babyboot Orchid	Lepanthes eltoroensis	Plants	Puerto Rico
1137.	Lyon's Pentachaeta	Pentachaeta lyonii	Plants	California
1138.	Lyonia truncata var. proctorii	Lyonia truncata var. proctorii	Plants	Puerto Rico
1139.	Alfilerillo	Machaonia woodburyana	Plants	Virgin Islands (British and US)
1140.	Mackenzie's Cave Amphipod	Stygobromus mackenziei	Crustaceans	California
1141.	Macromia margarita	Macromia margarita	Insects	United States
1142.	Madison Cave Isopod	Antrolana lira	Crustaceans	Virginia, West Virginia
1143.	Madla's Cave Meshweaver	Cicurina madla	Arachnids	Texas
1144.	Magazine Mountain Middle-toothed Snail	Inflectarius magazinensis	Snails	Arkansas
Featured Articles: Ten creatures that may become extinct in the next 10 years Twelve Incredibly Odd Endangered Creatures Rare white giraffes sighted for the first time in Kenya When the Hunter Becomes the Hunted: The Power of Africa's Cape Buffalo More articles
1145.	Magnificent Ramshorn	Planorbella magnifica	Snails	North Carolina
1146.	Mahoe	Alectryon macrococcus	Plants	Hawaii
1147.	Maiden Fern	Thelypteris inabonensis	Plants	Puerto Rico
1148.	Maiden Fern	Thelypteris verecunda	Plants	Puerto Rico
1149.	Maiden Fern	Thelypteris yaucoensis	Plants	Puerto Rico
1150.	Mainstream River Snail	Leptoxis praerosa	Snails	Alabama, Illinois, Kentucky, Ohio, Tennessee, Virginia
1151.	Makua Daisy	Tetramolopium filiforme	Plants	Hawaii
1152.	Malabar Grouper	Epinephelus malabaricus	Fishes	Africa, American Samoa, Asia, Australia, Middle East, Oceanic
1153.	Malheur Cave Amphipod	Stygobromus hubbsi	Crustaceans	Oregon
1154.	Malheur Wire-lettuce	Stephanomeria malheurensis	Plants	Oregon
1155.	Mancos Milk-vetch	Astragalus humillimus	Plants	Colorado, New Mexico
1156.	Manica parasitica	Manica parasitica	Insects	California
1157.	Mann's Bluegrass	Poa mannii	Plants	Hawaii
1158.	Many-flowered Navarretia	Navarretia leucocephala ssp. plieantha	Plants	California
1159.	Mao	Gymnomyza samoensis	Birds	American Samoa, Samoa
1160.	Marbled Disc	Discus marmorensis	Snails	Idaho, Iowa
1161.	Marbled Murrelet	Brachyramphus marmoratus	Birds	Canada, Mexico, United States
1162.	Mariana Crow	Corvus kubaryi	Birds	Washington, Western Pacific Ocean (USA - Guam, Rota)
1163.	Mariana Fruit-dove	Ptilinopus roseicapilla	Birds	Guam, Northern Mariana Islands
1164.	Mariana Gray Swiftlet	Aerodramus vanikorensis bartschi	Birds	Western Pacific USA (Guam, Rota, Tinian, Saipan, Agiguan)
1165.	Marianas Flying Fox	Pteropus mariannus	Mammals	Federated States of Micronesia, Guam, Northern Mariana Islands
1166.	Mariscus fauriei	Mariscus fauriei	Plants	Hawaii
Featured Articles: Ten creatures that may become extinct in the next 10 years Twelve Incredibly Odd Endangered Creatures Captive cheetah gives birth to largest litter ever recorded Rare Black Panther Seen Alive in Kenya More articles
1167.	Mariscus pennatiformis	Mariscus pennatiformis	Plants	Hawaii
1168.	Maryland Darter	Etheostoma sellare	Fishes	Maryland
1169.	Maui Alauahio	Paroreomyza montana	Birds	Hawaii
1170.	Maui Chaff Flower	Achyranthes splendens	Plants	Hawaii
1171.	Maui Parrotbill	Pseudonestor xanthophrys	Birds	Hawaii
1172.	Maui Remya	Remya mauiensis	Plants	Hawaii
1173.	Maui Tetramolopium	Tetramolopium arenarium	Plants	Hawaii
1174.	Maui Yellow Loosestrife	Lysimachia lydgatei	Plants	Hawaii
1175.	Mauna Loa Silversword	Argyroxiphium kauense	Plants	Hawaii
1176.	Maxwell's Girdlepod	Mitracarpus maxwelliae	Plants	Puerto Rico
1177.	Maytenus cymosa	Maytenus cymosa	Plants	Puerto Rico, Virgin Islands (British and US)
1178.	McDonald's Rock-cress	Arabis mcdonaldiana	Plants	California
1179.	Mckay's Bunting	Plectrophenax hyperboreus	Birds	Canada, Oregon, Washington
1180.	Melicope adscendens	Melicope adscendens	Plants	Hawaii
1181.	Melicope balloui	Melicope balloui	Plants	Hawaii
1182.	Melicope christophersenii	Melicope christophersenii	Plants	Hawaii
1183.	Melicope cinerea	Melicope cinerea	Plants	Hawaii
1184.	Melicope haupuensis	Melicope haupuensis	Plants	Hawaii
1185.	Melicope knudsenii	Melicope knudsenii	Plants	Hawaii
1186.	Melicope lydgatei	Melicope lydgatei	Plants	Hawaii
1187.	Melicope macropus	Melicope macropus	Plants	Hawaii
1188.	Melicope makahae	Melicope makahae	Plants	Hawaii
Featured Articles: Eight Species Declared Extinct But May Still be Out There Orphaned cougar cubs progressing well at Toledo Zoo Helping Endangered Fish After California Wildfires When the Hunter Becomes the Hunted: The Power of Africa's Cape Buffalo More articles
1189.	Melicope mucronulata	Melicope mucronulata	Plants	Hawaii
1190.	Melicope munroi	Melicope munroi	Plants	Hawaii
1191.	Melicope orbicularis	Melicope orbicularis	Plants	Hawaii
1192.	Melicope ovalis	Melicope ovalis	Plants	Hawaii
1193.	Melicope pallida	Melicope pallida	Plants	Hawaii
1194.	Melicope puberula	Melicope puberula	Plants	Hawaii
1195.	Melicope quadrangularis	Melicope quadrangularis	Plants	Hawaii
1196.	Melicope reflexa	Melicope reflexa	Plants	Hawaii
1197.	Melicope saint-johnii	Melicope saint-johnii	Plants	Hawaii
1198.	Melicope sandwicensis	Melicope sandwicensis	Plants	Hawaii
1199.	Melicope waialealae	Melicope waialealae	Plants	Hawaii
1200.	Melicope zahlbruckneri	Melicope zahlbruckneri	Plants	Hawaii
1201.	Melones Cave Harvestman	Banksula melones	Arachnids	California
1202.	Menzies' Wallflower	Erysimum menziesii	Plants	California
1203.	Mesa Shoulderband	Helminthoglypta coelata	Snails	California
1204.	Metcalf Canyon Jewelflower	Streptanthus albidus ssp. albidus	Plants	California
1205.	Mexican Flannelbush	Fremontodendron mexicanum	Plants	California, Mexico
1206.	Mexican Long-nosed Bat	Leptonycteris nivalis	Mammals	Central America, Mexico, New Mexico, Texas
1207.	Mexican Long-tongued Bat	Choeronycteris mexicana	Mammals	Arizona, California, El Salvador, Guatemala, Honduras, Mexico, Nevada, New Mexico, Texas
1208.	Miami Cave Crayfish	Procambarus milleri	Crustaceans	Florida
1209.	Rhus michauxii	Rhus michauxii	Plants	Georgia, North Carolina, South Carolina, Virginia
1210.	Michigan Bog Grasshopper	Appalachia arcana	Insects	Michigan
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1211.	Michigan Monkey-flower	Mimulus glabratus var. michiganensis	Plants	Michigan
1212.	Micromussa-Super Red	Micromussa amakusensis	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
1213.	Micronesian Imperial-pigeon	Ducula oceanica	Birds	Federated States of Micronesia, Marshall Islands, Palau
1214.	Micronesian Megapode	Megapodius laperouse	Birds	USA (Mariana Islands), West Pacific Ocean (Palau Islands)
1215.	Middlekauf's Shieldback Katydid	Idiostatus middlekaufi	Insects	California
1216.	Milkwort	Polygala lewtonii	Plants	Florida
1217.	Milkwort	Polygala smallii	Plants	Florida
1218.	Millepora foveolata	Millepora foveolata	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Oceanic
1219.	Millepora murrayi	Millepora murrayi	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Oceanic
1220.	Mimic Cavesnail	Phreatodrobia imitata	Snails	Texas
1221.	Minnesota Dwarf Trout Lily	Erythronium propullans	Plants	Minnesota
1222.	Minor Red Bat	Lasiurus minor	Mammals	Bahamas, Dominican Republic, Haiti, Puerto Rico
1223.	Minute Cave Amphipod	Stygobromus parvus	Crustaceans	West Virginia
1224.	Mission Creek Oregonian	Cryptomastix magnidentata	Snails	Idaho
1225.	Mississippi Flatwoods Crayfish	Procambarus cometes	Crustaceans	Mississippi
1226.	Mitchell's Satyr Butterfly	Neonympha mitchellii	Insects	Indiana, Michigan, New Jersey, North Carolina, Ohio
1227.	Moapa Dace	Moapa coriacea	Fishes	Nevada
1228.	Moapa Pebblesnail	Pyrgulopsis avernalis	Snails	Nevada
1229.	Modoc Sucker	Catostomus microps	Fishes	California
1230.	Mohave Ground Squirrel	Xerospermophilus mohavensis	Mammals	United States (California)
1231.	Mohave Tui Chub	Gila bicolor mohavensis	Fishes	California
1232.	Molokai Creeper	Paroreomyza flammea	Birds	Hawaii
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1233.	Molokai Damselfly	Megalagrion molokaiense	Insects	Hawaii
1234.	Molokai Jack-bean	Canavalia molokaiensis	Plants	Hawaii
1235.	Molokai Thrush	Myadestes lanaiensis rutha	Birds	Hawaii
1236.	Mona Blind Snake	Typhlops monensis	Reptiles	Puerto Rico
1237.	Mona Cave Shrimp	Typhlatya monae	Crustaceans	Puerto Rico
1238.	Mona Coqui	Eleutherodactylus monensis	Amphibians	Puerto Rico
1239.	Monito Gecko	Sphaerodactylus micropithecus	Reptiles	Puerto Rico
1240.	Monomorium pergandei	Monomorium pergandei	Insects	United States
1241.	Monomorium talbotae	Monomorium talbotae	Insects	United States
1242.	Montastraea annularis	Montastraea annularis	Corals, Jellyfish, and Sea Anemones	Central America, North America (including United States Territory), South America
1243.	Montastraea faveolata	Montastraea faveolata	Corals, Jellyfish, and Sea Anemones	Central America, North America (including United States Territory), South America
1244.	Montastraea franksi	Montastraea franksi	Corals, Jellyfish, and Sea Anemones	Central America, North America (including United States Territory), Oceanic, South America
1245.	Montastrea annuligera	Montastrea annuligera	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1246.	Montastrea colemani	Montastrea colemani	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Oceanic
1247.	Montastrea magnistellata	Montastrea magnistellata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1248.	Montastrea multipunctata	Montastrea multipunctata	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
1249.	Montastrea valenciennesi	Montastrea valenciennesi	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, North America (United States Territory), Oceanic
1250.	Monte Guilarte Hollyfern	Polystichum calderonense	Plants	Puerto Rico
1251.	Monterey Clover	Trifolium trichocalyx	Plants	California
1252.	Monterey Cypress	Cupressus macrocarpa	Plants	California
1253.	Montipora altasepta	Montipora altasepta	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (Hawaii/US Territory), Oceanic
1254.	Montipora angulata	Montipora angulata	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Central America, North America (Hawaii/US Territory), Oceanic
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1255.	Montipora australiensis	Montipora australiensis	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Oceanic, South America
1256.	Montipora calcarea	Montipora calcarea	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (Hawaii/US Territory), Oceanic
1257.	Montipora caliculata	Montipora caliculata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, North America (Hawaii/US Territory), Oceanic, South America
1258.	Montipora capitata	Montipora capitata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, North America (Hawaii/US Territory), Oceanic
1259.	Montipora capricornis	Montipora capricornis	Corals, Jellyfish, and Sea Anemones	Asia, Australia, Central America, North America (Hawaii/US Territory), Oceanic
1260.	Montipora cebuensis	Montipora cebuensis	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (Hawaii/US Territory), Oceanic
1261.	Montipora corbettensis	Montipora corbettensis	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, North America (Hawaii/US Territory), Oceanic
1262.	Montipora crassituberculata	Montipora crassituberculata	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (Hawaii/US Territory), Oceanic, South America
1263.	Montipora dilatata	Montipora dilatata	Corals, Jellyfish, and Sea Anemones	North America (Hawaii/US Territory)
1264.	Montipora efflorescens	Montipora efflorescens	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Australia, Central America, Europe, Middle East, North America (Hawaii/US Territory), Oceanic
1265.	Montipora effusa	Montipora effusa	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Oceanic
1266.	Montipora flabellata	Montipora flabellata	Corals, Jellyfish, and Sea Anemones	North America (Hawaii/US Territory)
1267.	Montipora foliosa	Montipora foliosa	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (Hawaii/US Territory), Oceanic
1268.	Montipora foveolata	Montipora foveolata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, North America (Hawaii/US Territory), Oceanic, South America
1269.	Montipora incrassata	Montipora incrassata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, North America, Oceanic, South America
1270.	Montipora lobulata	Montipora lobulata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, North America (Hawaii/US Territory), Oceanic
1271.	Montipora nodosa	Montipora nodosa	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Middle East, North America (Hawaii/US Territory), Oceanic, South America
1272.	Montipora patula	Montipora patula	Corals, Jellyfish, and Sea Anemones	North America (Hawaii/US Territory)
1273.	Montipora peltiformis	Montipora peltiformis	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Central America, Europe, Middle East, North America (Hawaii/US Territory), Oceanic
1274.	Montipora samarensis	Montipora samarensis	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (Hawaii/US Territory), Oceanic
1275.	Montipora undata	Montipora undata	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, North America (Hawaii/US Territory), Oceanic
1276.	Montipora venosa	Montipora venosa	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (Hawaii/US Territory), Oceanic
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1277.	Moom Pebblesnail	Somatogyrus obtusus	Snails	Alabama
1278.	Moon Coral	Favites abdita	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory)
1279.	Moon Coral	Favites bestae	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, North America (United States Territory), Oceanic
1280.	Moon Coral	Favites chinensis	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1281.	Moon Coral	Favites complanata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1282.	Moon Coral	Favites flexuosa	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1283.	Moon Coral	Favites halicora	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1284.	Moon Coral	Favites russelli	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1285.	Morefield's Leather Flower	Clematis morefieldii	Plants	Alabama
1286.	Morrison's Cave Amphipod	Stygobromus morrisoni	Crustaceans	Virginia, West Virginia
1287.	Morro Bay Kangaroo Rat	Dipodomys heermanni morroensis	Mammals	California
1288.	Morro Shoulderband Snail	Helminthoglypta walkeriana	Snails	California
1289.	Mottled Petrel	Pterodroma inexpectata	Birds	Alaska, Antarctica, Australia, Ecuador, Japan, Marshall Islands, New Zealand
1290.	Mount Graham Red Squirrel	Tamiasciurus hudsonicus grahamensis	Mammals	Arizona
1291.	Mount St. Helens' Grylloblattid	Grylloblatta chirurgica	Insects	United States
1292.	Mountain Blackside Dace	Phoxinus cumberlandensis	Fishes	Kentucky, Tennessee, Virginia
1293.	Mountain Cave Amphipod	Stygobromus montanus	Crustaceans	Arkansas
1294.	Mountain Plover	Charadrius montanus	Birds	Canada, Mexico, United States
1295.	Mountain Sweet Pitcher-plant	Sarracenia rubra ssp. jonesii	Plants	North Carolina, South Carolina
1296.	Mountain Yellow-legged Frog	Rana muscosa	Amphibians	USA - Southern California DPS
1297.	Mt. Hermon June Beetle	Polyphylla barbata	Insects	California
1298.	Muckalee Crayfish	Procambarus gibbus	Crustaceans	Georgia
Featured Articles: Orphaned cougar cubs progressing well at Toledo Zoo Rare white giraffes sighted for the first time in Kenya Eight Inexpensive Ways You Can Help Endangered Species Rare Black Panther Seen Alive in Kenya More articles
1299.	Mud Elimia	Pleurocera alabamensis	Snails	Alabama
1300.	Muddy Rocksnail	Lithasia salebrosa	Snails	Alabama, Kentucky, Tennessee
1301.	Munz's Onion	Allium munzii	Plants	California
1302.	Mutton Snapper	Lutjanus analis	Fishes	Central America, North America (including United States), Oceanic, South America
1303.	Myrcia paganii	Myrcia paganii	Plants	Puerto Rico
1304.	Myrmica colax	Myrmica colax	Insects	United States
1305.	Myrsine juddii	Myrsine juddii	Plants	Hawaii
1306.	Myrsine knudsenii	Myrsine knudsenii	Plants	Hawaii
1307.	Myrsine mezii	Myrsine mezii	Plants	Hawaii
1308.	Myrsine petiolata	Myrsine petiolata	Plants	Hawaii
1309.	Na Pali Beach Hedyotis	Hedyotis st. johnii	Plants	Hawaii
1310.	Na Pali Sandmat	Chamaesyce eleanoriae	Plants	Hawaii
1311.	Dubautia herbstobatae	Dubautia herbstobatae	Plants	Hawaii
1312.	Dubautia latifolia	Dubautia latifolia	Plants	Hawaii
1313.	Dubautia pauciflorula	Dubautia pauciflorula	Plants	Hawaii
1314.	Dubautia plantaginea ssp. humilis	Dubautia plantaginea ssp. humilis	Plants	Hawaii
1315.	Naegele Springsnail	Pyrgulopsis metcalfi	Snails	Texas
1316.	Napa Bluegrass	Poa napensis	Plants	California
1317.	Narrow Pigtoe	Fusconaia escambia	Clams	United States
1318.	Narrowleaf Stenogyne	Stenogyne angustifolia var. angustifolia	Plants	Hawaii
1319.	Narwhal	Monodon monoceros	Mammals	Alaska, Canada, Germany, Greenland, Iceland, Netherlands (Europe), Norway, Russia, Svalbard and Jan Mayen, United Kingdom
1320.	Nassau Grouper	Epinephelus striatus	Fishes	Central and South America, United States (Florida, Minor Outlying Islands)
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1321.	Navajo Jerusalem Cricket	Stenopelmatus navajo	Insects	Arizona
1322.	Navasota Ladies'-tresses	Spiranthes parksii	Plants	Texas
1323.	Neches Crayfish	Procambarus nechesae	Crustaceans	Texas
1324.	Nectandra krugii	Nectandra krugii	Plants	Antigua, Barbuda, Dominican Republic, Netherlands Antilles, Puerto Rico, West Indies
1325.	Needle Dogfish	Centrophorus acus	Fishes	China, French Guiana, Japan, Philippines, Taiwan, United States
1326.	Nehe	Lipochaeta fauriei	Plants	Hawaii
1327.	Nehe	Lipochaeta kamolensis	Plants	Hawaii
1328.	Nehe	Lipochaeta lobata var. leptophylla	Plants	Hawaii
1329.	Nehe	Lipochaeta micrantha	Plants	Hawaii
1330.	Nehe	Lipochaeta tenuifolia	Plants	Hawaii
1331.	Nehe	Lipochaeta venosa	Plants	Hawaii
1332.	Nehe	Lipochaeta waimeaensis	Plants	Hawaii
1333.	Nelson's Antelope Squirrel	Ammospermophilus nelsoni	Mammals	California
1334.	Neoplanorbis tantillus	Neoplanorbis tantillus	Snails	Alabama
1335.	Neosho Mucket	Lampsilis rafinesqueana	Clams	Arkansas, Kansas, Missouri, Oklahoma
1336.	Nesogenes rotensis	Nesogenes rotensis	Plants	Northern Mariana Islands
1337.	Neuse River Waterdog	Necturus lewisi	Amphibians	North Carolina
1338.	Nevada Pupfish	Cyprinodon nevadensis	Fishes	Nevada
1339.	New England Cottontail	Sylvilagus transitionalis	Mammals	Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island, Vermont
1340.	New Mexico Hotspring Snail	Pyrgulopsis thermalis	Snails	New Mexico
1341.	Newcomb's Snail	Erinna newcombi	Snails	Hawaii
1342.	Newcomb's Tree Snail	Newcombia canaliculata	Snails	Hawaii
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1343.	Newcomb's Tree Snail	Newcombia cumingi	Snails	Hawaii
1344.	Newcomb's Tree Snail	Newcombia lirata	Snails	Hawaii
1345.	Newcomb's Tree Snail	Newcombia perkinsi	Snails	Hawaii
1346.	Newcomb's Tree Snail	Newcombia pfeifferi	Snails	Hawaii
1347.	Newcomb's Tree Snail	Newcombia sulcata	Snails	Hawaii
1348.	Newell's Shearwater	Puffinus newelli	Birds	Hawaii
1349.	Niangua Darter	Etheostoma nianguae	Fishes	Missouri
1350.	Nichol's Turk's Head Cactus	Echinocactus horizonthalonius var. nicholii	Plants	Arizona
1351.	Nickajack Cave Isopod	Caecidotea nickajackensis	Crustaceans	Georgia, Tennessee
1352.	Night Shark	Carcharhinus signatus	Fishes	Africa, Central America, North America (United States), South America
1353.	Nightingale Reed Warbler	Acrocephalus luscinia	Birds	West Pacific Ocean (USA - Guam, Alamagan, Saipan)
1354.	Nihoa Banza Conehead Katydid	Banza nihoa	Insects	Hawaii
1355.	Nihoa Finch	Telespiza ultima	Birds	Hawaii
1356.	Nihoa Millerbird	Acrocephalus familiaris	Birds	Hawaii
1357.	Nipomo Mesa Lupine	Lupinus nipomensis	Plants	California
1358.	Noel's Amphipod	Gammarus desperatus	Crustaceans	New Mexico
1359.	North Pacific Right Whale	Balaena japonica	Mammals	Canada (British Columbia), China, Japan, Korea, Mexico (Baja California), Russia, Taiwan, United States and Hawaii
1360.	North Park Phacelia	Phacelia formosula	Plants	Colorado
1361.	Northeastern Bulrush	Scirpus ancistrochaetus	Plants	Maryland, Massachusetts, New Hampshire, New York, Pennsylvania, Vermont, Virginia, West Virginia
1362.	Northern Abalone	Haliotis kamtschatkana	Snails	Alaska, California, Canada (British Columbia), Oregon, Washington
1363.	Northern Aplomado Falcon	Falco femoralis septentrionalis	Birds	Arizona, Guatemala, Mexico, New Mexico, Texas
1364.	Northern Bobwhite	Colinus virginianus	Birds	Arizona, Mexico (Sonora)
Featured Articles: Orphaned cougar cubs progressing well at Toledo Zoo Eight Inexpensive Ways You Can Help Endangered Species Rare Black Panther Seen Alive in Kenya When the Hunter Becomes the Hunted: The Power of Africa's Cape Buffalo More articles
1365.	Northern Cavefish	Amblyopsis spelaea	Fishes	Indiana, Kentucky
1366.	Northern Flying Squirrel	Glaucomys sabrinus	Mammals	North Carolina, Tennessee, Virginia, West Virginia
1367.	Northern Fur Seal	Callorhinus ursinus	Mammals	Arkansas, California, Canada, China, Japan, Korea, Mexico, Oregon, Russia, Taiwan, Washington
1368.	Northern Guitarfish	Rhinobatos productus	Fishes	California, Mexico
1369.	Norton's Cave Amphipod	Stygobromus nortoni	Crustaceans	Tennessee
1370.	Nueces Crayfish	Procambarus nueces	Crustaceans	Texas
1371.	Nukupu'u	Hemignathus lucidus	Birds	Hawaii
1372.	O'ahu Creeper	Paroreomyza maculata	Birds	Hawaii
1373.	O'ahu Tree Snail	Achatinella abbreviata	Snails	Hawaii
1374.	O'ahu Tree Snail	Achatinella apexfulva	Snails	Hawaii
1375.	O'ahu Tree Snail	Achatinella bellula	Snails	Hawaii
1376.	O'ahu Tree Snail	Achatinella buddii	Snails	Hawaii
1377.	O'ahu Tree Snail	Achatinella bulimoides	Snails	Hawaii
1378.	O'ahu Tree Snail	Achatinella byronii	Snails	Hawaii
1379.	O'ahu Tree Snail	Achatinella caesia	Snails	Hawaii
1380.	O'ahu Tree Snail	Achatinella casta	Snails	Hawaii
1381.	O'ahu Tree Snail	Achatinella cestus	Snails	Hawaii
1382.	O'ahu Tree Snail	Achatinella concavospira	Snails	Hawaii
1383.	O'ahu Tree Snail	Achatinella curta	Snails	Hawaii
1384.	O'ahu Tree Snail	Achatinella decipiens	Snails	Hawaii
1385.	O'ahu Tree Snail	Achatinella decora	Snails	Hawaii
1386.	O'ahu Tree Snail	Achatinella dimorpha	Snails	Hawaii
Featured Articles: Ten creatures that may become extinct in the next 10 years Twelve Incredibly Odd Endangered Creatures Eight Inexpensive Ways You Can Help Endangered Species The Seven Sea Turtle Species of the World More articles
1387.	O'ahu Tree Snail	Achatinella elegans	Snails	Hawaii
1388.	O'ahu Tree Snail	Achatinella fulgens	Snails	Hawaii
1389.	O'ahu Tree Snail	Achatinella fuscobasis	Snails	Hawaii
1390.	O'ahu Tree Snail	Achatinella juddii	Snails	Hawaii
1391.	O'ahu Tree Snail	Achatinella juncea	Snails	Hawaii
1392.	O'ahu Tree Snail	Achatinella lehuiensis	Snails	Hawaii
1393.	O'ahu Tree Snail	Achatinella leucorraphe	Snails	Hawaii
1394.	O'ahu Tree Snail	Achatinella lila	Snails	Hawaii
1395.	O'ahu Tree Snail	Achatinella livida	Snails	Hawaii
1396.	O'ahu Tree Snail	Achatinella lorata	Snails	Hawaii
1397.	O'ahu Tree Snail	Achatinella mustelina	Snails	Hawaii
1398.	O'ahu Tree Snail	Achatinella papyracea	Snails	Hawaii
1399.	O'ahu Tree Snail	Achatinella phaeozona	Snails	Hawaii
1400.	O'ahu Tree Snail	Achatinella pulcherrima	Snails	Hawaii
1401.	O'ahu Tree Snail	Achatinella pupukanioe	Snails	Hawaii
1402.	O'ahu Tree Snail	Achatinella rosea	Snails	Hawaii
1403.	O'ahu Tree Snail	Achatinella sowerbyana	Snails	Hawaii
1404.	O'ahu Tree Snail	Achatinella spaldingi	Snails	Hawaii
1405.	O'ahu Tree Snail	Achatinella stewartii	Snails	Hawaii
1406.	O'ahu Tree Snail	Achatinella swiftii	Snails	Hawaii
1407.	O'ahu Tree Snail	Achatinella taeniolata	Snails	Hawaii
1408.	O'ahu Tree Snail	Achatinella thaanumi	Snails	Hawaii
Featured Articles: Eight Species Declared Extinct But May Still be Out There Orphaned cougar cubs progressing well at Toledo Zoo Rare white giraffes sighted for the first time in Kenya The Seven Sea Turtle Species of the World More articles
1409.	O'ahu Tree Snail	Achatinella turgida	Snails	Hawaii
1410.	O'ahu Tree Snail	Achatinella valida	Snails	Hawaii
1411.	O'ahu Tree Snail	Achatinella viridans	Snails	Hawaii
1412.	O'ahu Tree Snail	Achatinella vittata	Snails	Hawaii
1413.	O'ahu Tree Snail	Achatinella vulpina	Snails	Hawaii
1414.	O'u	Psittirostra psittacea	Birds	Hawaii
1415.	Oahu Amakihi	Hemignathus flavus	Birds	Hawaii
1416.	Oahu Clermontia	Clermontia oblongifolia	Plants	Hawaii
1417.	Oahu Damselfly	Megalagrion oahuense	Insects	Hawaii
1418.	Oahu Deceptor Bush Cricket	Leptogryllus deceptor	Insects	Hawaii
1419.	Oahu Sandmat	Chamaesyce deppeana	Plants	Hawaii
1420.	Oahu Stenogyne	Stenogyne kanehoana	Plants	Hawaii
1421.	Obey Crayfish	Cambarus obeyensis	Crustaceans	Tennessee
1422.	Oceanic Hawaiian Damselfly	Megalagrion oceanicum	Insects	Hawaii
1423.	Oceanic Whitetip Shark	Carcharhinus longimanus	Fishes	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (including United States and Hawaii), Oceanic, South America
1424.	Ocellated Coral	Cyphastrea ocellina	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
1425.	Ocelot	Leopardus pardalis	Mammals	USA (Arizona, Texas) to Central and South America
1426.	Ochlockonee Moccasinshell	Medionidus simpsonianus	Clams	Florida, Georgia
1427.	Ochrosia haleakalae	Ochrosia haleakalae	Plants	Hawaii
1428.	Ochrosia kauaiensis	Ochrosia kauaiensis	Plants	Hawaii
1429.	Ochrosia kilaueaensis	Ochrosia kilaueaensis	Plants	Hawaii
1430.	Ocmulgee Marstonia	Pyrgulopsis agarhecta	Snails	Georgia
Featured Articles: Eight Species Declared Extinct But May Still be Out There Rare white giraffes sighted for the first time in Kenya Captive cheetah gives birth to largest litter ever recorded Rare Black Panther Seen Alive in Kenya More articles
1431.	Oconee Burrowing Crayfish	Cambarus truncatus	Crustaceans	United States
1432.	Oconee Stream Crayfish	Cambarus chaugaensis	Crustaceans	Georgia, North Carolina, South Carolina
1433.	Octopus Coral	Galaxea astreata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1434.	Octopus Coral	Galaxea fascicularis	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1435.	Oha	Delissea rivularis	Plants	Hawaii
1436.	Ohai	Sesbania tomentosa	Plants	Hawaii
1437.	Ohe'ohe	Tetraplasandra gymnocarpa	Plants	Hawaii
1438.	Ohlone Tiger Beetle	Cicindela ohlone	Insects	California
1439.	Okaloosa Darter	Etheostoma okaloosae	Fishes	Florida
1440.	Okeechobee Gourd	Cucurbita okeechobeensis ssp. okeechobeensis	Plants	Florida
1441.	Oklahoma Cave Amphipod	Allocrangonyx pellucidus	Crustaceans	Oklahoma
1442.	Oklahoma Cave Crayfish	Cambarus tartarus	Crustaceans	Oklahoma
1443.	Oklahoma Salamander	Eurycea tynerensis	Amphibians	Arkansas, Missouri, Oklahoma
1444.	Oktibbeha Riverlet Crayfish	Hobbseus orconectoides	Crustaceans	Mississippi
1445.	Olapa	Cheirodendron forbesii	Plants	Hawaii
1446.	Olive Ridley Sea Turtle	Lepidochelys olivacea	Reptiles	Circumglobal in tropical and temperate seas, Mexico (nesting populations)
1447.	Olive-sided Flycatcher	Contopus cooperi	Birds	Central and South America, North America (including United States)
1448.	Oloma'o	Myadestes lanaiensis	Birds	Hawaii
1449.	Olympic Torrent Salamander	Rhyacotriton olympicus	Amphibians	Washington
1450.	Omao	Myadestes obscurus	Birds	Hawaii
1451.	One-finned Shark	Heptranchias perlo	Fishes	Africa, Asia, Australia, Europe, Middle East, North America (including United States), South America
1452.	One-toed Amphiuma	Amphiuma pholeter	Amphibians	Alabama, Florida, Georgia
Featured Articles: 10 Unusually White Creatures You'll Probably Never See in Real Life Rare white giraffes sighted for the first time in Kenya Eight Inexpensive Ways You Can Help Endangered Species Photos that will make you think twice before littering More articles
1453.	Onondaga Cave Amphipod	Stygobromus onondagaensis	Crustaceans	Arkansas, Kansas, Missouri, Oklahoma
1454.	Opaque Pebblesnail	Somatogyrus tennesseensis	Snails	Alabama, Tennessee
1455.	Opuhe	Urera kaalae	Plants	Hawaii
1456.	Orange Button Coral	Scolymia vitiensis	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, North America (United States Territory), Oceanic
1457.	Orange Lake Cave Crayfish	Procambarus franzi	Crustaceans	Florida
1458.	Orangeblack Hawaiian Damselfly	Megalagrion xanthomelas	Insects	Hawaii
1459.	Orangefin Madtom	Noturus gilberti	Fishes	North Carolina, Virginia
1460.	Orangefoot Pimpleback Pearlymussel	Plethobasus cooperianus	Clams	Alabama, Illinois, Indiana, Iowa, Kentucky, Ohio, Pennsylvania, Tennessee
1461.	Orconectes bisectus	Orconectes bisectus	Crustaceans	Kentucky
1462.	Orconectes blacki	Orconectes blacki	Crustaceans	Louisiana
1463.	Orconectes cooperi	Orconectes cooperi	Crustaceans	Alabama, Tennessee
1464.	Orconectes deanae	Orconectes deanae	Crustaceans	New Mexico, Oklahoma, Texas
1465.	Orconectes hartfieldi	Orconectes hartfieldi	Crustaceans	Mississippi
1466.	Orconectes holti	Orconectes holti	Crustaceans	Alabama
1467.	Orconectes incomptus	Orconectes incomptus	Crustaceans	Tennessee
1468.	Orconectes jeffersoni	Orconectes jeffersoni	Crustaceans	Kentucky
1469.	Orconectes jonesi	Orconectes jonesi	Crustaceans	Alabama, Mississippi
1470.	Orconectes kentuckiensis	Orconectes kentuckiensis	Crustaceans	Illinois, Kentucky
1471.	Orconectes maletae	Orconectes maletae	Crustaceans	Louisiana, Texas
1472.	Orconectes marchandi	Orconectes marchandi	Crustaceans	Arkansas, Missouri
1473.	Orconectes menae	Orconectes menae	Crustaceans	Arkansas, Oklahoma
1474.	Orconectes mississippiensis	Orconectes mississippiensis	Crustaceans	Mississippi
Featured Articles: Eight Species Declared Extinct But May Still be Out There Twelve Incredibly Odd Endangered Creatures Rare Black Panther Seen Alive in Kenya Helping Endangered Fish After California Wildfires More articles
1475.	Orconectes peruncus	Orconectes peruncus	Crustaceans	Missouri
1476.	Orconectes quadruncus	Orconectes quadruncus	Crustaceans	Missouri
1477.	Orconectes saxatilis	Orconectes saxatilis	Crustaceans	Oklahoma
1478.	Orconectes shoupi	Orconectes shoupi	Crustaceans	Tennessee
1479.	Orconectes sloanii	Orconectes sloanii	Crustaceans	Indiana, Ohio
1480.	Orconectes stannardi	Orconectes stannardi	Crustaceans	Illinois
1481.	Orconectes wrighti	Orconectes wrighti	Crustaceans	Mississippi, Tennessee
1482.	Orcutt's Spineflower	Chorizanthe orcuttiana	Plants	California
1483.	Oregon Checker-mallow	Sidalcea oregana	Plants	California
1484.	Oregon Chub	Oregonichthys crameri	Fishes	Oregon
1485.	Oregon Giant Earthworm	Driloleirus macelfreshi	Worms	Oregon
1486.	Oregon Slender Salamander	Batrachoseps wrighti	Amphibians	Oregon
1487.	Oregon Spotted Frog	Rana pretiosa	Amphibians	Canada, Oregon, Washington
1488.	Organ Pipe Coral	Tubipora musica	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
1489.	Orlando Cave Crayfish	Procambarus acherontis	Crustaceans	Florida
1490.	Osmoxylon mariannense	Osmoxylon mariannense	Plants	Northern Mariana Islands
1491.	Osterhout Milkvetch	Astragalus osterhoutii	Plants	Colorado
1492.	Otay Mesa-mint	Pogogyne nudiuscula	Plants	California, Mexico (Baja California)
1493.	Ouachita Burrowing Crayfish	Fallicambarus harpi	Crustaceans	Arkansas
1494.	Ouachita Madtom	Noturus lachneri	Fishes	Arkansas
1495.	Ouachita Mountain Shiner	Lythrurus snelsoni	Fishes	Arkansas, Oklahoma
1496.	Ouachita Rock Pocketbook	Arkansia wheeleri	Clams	Arkansas, Oklahoma
Featured Articles: Ten creatures that may become extinct in the next 10 years 10 Unusually White Creatures You'll Probably Never See in Real Life Rare white giraffes sighted for the first time in Kenya When the Hunter Becomes the Hunted: The Power of Africa's Cape Buffalo More articles
1497.	Oulophyllia bennettae	Oulophyllia bennettae	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1498.	Oulophyllia crispa	Oulophyllia crispa	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory)
1499.	Oval Pigtoe	Pleurobema pyriforme	Clams	Alabama, Florida, Georgia
1500.	Ovate Clubshell	Pleurobema perovatum	Clams	Alabama, Georgia, Mississippi, Tennessee
1501.	Ovate Pebblesnail	Somatogyrus excavatus	Snails	Alabama
1502.	Owens Pupfish	Cyprinodon radiosus	Fishes	California
1503.	Owens Tui Chub	Gila bicolor snyderi	Fishes	California
1504.	Oyster Mussel	Epioblasma capsaeformis	Clams	Georgia, Kentucky, North Carolina, Tennessee, Virginia
1505.	Ozark Cave Amphipod	Stygobromus ozarkensis	Crustaceans	Arkansas, Missouri, Oklahoma
1506.	Ozark Cavefish	Amblyopsis rosae	Fishes	Arkansas, Kansas, Missouri, Oklahoma
1507.	Ozark Emerald	Somatochlora ozarkensis	Insects	Arkansas, Kansas, Missouri, Oklahoma
1508.	Ozobryum ogalalense	Ozobryum ogalalense	Plants	Kansas
1509.	Pachyseris gemmae	Pachyseris gemmae	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Oceanic
1510.	Pachyseris rugosa	Pachyseris rugosa	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory)
1511.	Pacific Hawaiian Damselfly	Megalagrion pacificum	Insects	Hawaii
1512.	Pacific Pocket Mouse	Perognathus longimembris pacificus	Mammals	California
1513.	Pacific Pond Turtle	Actinemys marmorata	Reptiles	California, Mexico, Oregon, Washington
1514.	Pacific Seahorse	Hippocampus ingens	Fishes	Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Mexico, Panama, Peru, United States (California)
1515.	Pacific Sheath-tailed Bat	Emballonura semicaudata	Mammals	American Samoa, Federated States of Micronesia, Fiji, Northern Mariana Islands, Palau, Samoa, Tonga
1516.	Pahranagat Roundtail Chub	Gila robusta jordani	Fishes	Nevada
1517.	Pahrump Poolfish	Empetrichthys latos	Fishes	Nevada
1518.	Painted Bunting	Passerina ciris	Birds	Central America, North America (including United States)
Featured Articles: Eight Species Declared Extinct But May Still be Out There Photos that will make you think twice before littering Helping Endangered Fish After California Wildfires When the Hunter Becomes the Hunted: The Power of Africa's Cape Buffalo More articles
1519.	Painted Clubshell	Pleurobema chattanoogaense	Clams	Alabama, Georgia, Tennessee
1520.	Painted Rocksnail	Leptoxis taeniata	Snails	Alabama
1521.	Pale Lilliput Pearlymussel	Toxolasma cylindrellus	Clams	Alabama, Tennessee
1522.	Paleback Darter	Etheostoma pallididorsum	Fishes	Arkansas
1523.	Palezone Shiner	Notropis albizonatus	Fishes	Alabama, Kentucky, Tennessee
1524.	Palila	Loxioides bailleui	Birds	Hawaii
1525.	Pallid Sturgeon	Scaphirhynchus albus	Fishes	Arkansas, Illinois, Iowa, Kansas, Kentucky, Louisiana, Mississippi, Missouri, Montana, Nebraska, North Dakota, South Dakota, Tennessee
1526.	Palmate-bracted Bird's-beak	Cordylanthus palmatus	Plants	California
1527.	Palmer's Chipmunk	Tamias palmeri	Mammals	Nevada
1528.	Styrax portoricensis	Styrax portoricensis	Plants	Puerto Rico
1529.	Palo de nigua	Cornutia obovata	Plants	Puerto Rico
1530.	Palo de rosa	Ottoschulzia rhodoxylon	Plants	Dominican Republic, Puerto Rico
1531.	Palos Verdes Blue Butterfly	Glaucopsyche lygdamus palosverdesensis	Insects	California
1532.	Pamakani	Tetramolopium capillare	Plants	Hawaii
1533.	Panama City Crayfish	Procambarus econfinae	Crustaceans	Florida
1534.	Panamint Alligator Lizard	Elgaria panamintina	Reptiles	California
1535.	Panhandle Pebblesnail	Somatogyrus virginicus	Snails	North Carolina, Virginia
1536.	Panicum fauriei var. carteri	Panicum fauriei var. carteri	Plants	Hawaii
1537.	Panicum niihauense	Panicum niihauense	Plants	Hawaii
1538.	Paraclavarina triangularis	Paraclavarina triangularis	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
1539.	Parkhill Prairie Crayfish	Procambarus steigmani	Crustaceans	Texas
1540.	Partula Snail	Partula emersoni	Snails	Federated States of Micronesia
Featured Articles: Twelve Incredibly Odd Endangered Creatures Captive cheetah gives birth to largest litter ever recorded Photos that will make you think twice before littering Helping Endangered Fish After California Wildfires More articles
1541.	Partula Snail	Partula gibba	Snails	Guam, Northern Mariana Islands
1542.	Partula Snail	Partula guamensis	Snails	Federated States of Micronesia
1543.	Partula Snail	Partula langfordi	Snails	Northern Mariana Islands
1544.	Partula Snail	Partula martensiana	Snails	Federated States of Micronesia
1545.	Partula Snail	Partula radiolata	Snails	Guam
1546.	Partulina confusa	Partulina confusa	Snails	Hawaii
1547.	Partulina dubia	Partulina dubia	Snails	Hawaii
1548.	Partulina mighelsiana	Partulina mighelsiana	Snails	Hawaii
1549.	Partulina perdix	Partulina perdix	Snails	Hawaii
1550.	Partulina physa	Partulina physa	Snails	Hawaii
1551.	Partulina proxima	Partulina proxima	Snails	Hawaii
1552.	Partulina redfieldi	Partulina redfieldi	Snails	Hawaii
1553.	Partulina semicarinata	Partulina semicarinata	Snails	Hawaii
1554.	Partulina splendida	Partulina splendida	Snails	Hawaii
1555.	Partulina tappaniana	Partulina tappaniana	Snails	Hawaii
1556.	Partulina tessellata	Partulina tessellata	Snails	Hawaii
1557.	Partulina variabilis	Partulina variabilis	Snails	Hawaii
1558.	Pauoa	Ctenitis squamigera	Plants	Hawaii
1559.	Pavona bipartita	Pavona bipartita	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1560.	Pavona cactus	Pavona cactus	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
1561.	Pavona decussata	Pavona decussata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
1562.	Pavona minuta	Pavona minuta	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, North America (United States Territory), Oceanic
Featured Articles: Eight Species Declared Extinct But May Still be Out There Ten creatures that may become extinct in the next 10 years Rare white giraffes sighted for the first time in Kenya Captive cheetah gives birth to largest litter ever recorded More articles
1563.	Pavona venosa	Pavona venosa	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
1564.	Peaks Of Otter Salamander	Plethodon hubrichti	Amphibians	Virginia
1565.	Pearl Bubble Coral	Physogyra lichtensteini	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1566.	Pearl Riverlet Crayfish	Hobbseus attenuatus	Crustaceans	Mississippi
1567.	Peck's Cave Amphipod	Stygobromus pecki	Crustaceans	Texas
1568.	Pecos Amphipod	Gammarus pecos	Crustaceans	Texas
1569.	Pecos Assiminea Snail	Assiminea pecos	Snails	Mexico, New Mexico, Texas
1570.	Pecos Gambusia	Gambusia nobilis	Fishes	New Mexico, Texas
1571.	Pecos River Pupfish	Cyprinodon pecosensis	Fishes	New Mexico, Texas
1572.	Pectinia alcicornis	Pectinia alcicornis	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
1573.	Pectinia elongata	Pectinia elongata	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
1574.	Pectinia lactuca	Pectinia lactuca	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, North America (United States Territory), Oceanic
1575.	Pectinia paeonia	Pectinia paeonia	Corals, Jellyfish, and Sea Anemones	Asia, Australia, Europe, North America (United States Territory), Oceanic
1576.	Pedate Checker-mallow	Sidalcea pedata	Plants	California
1577.	Peebles Navajo Cactus	Pediocactus peeblesianus peeblesianus	Plants	Arizona
1578.	Pele Clermontia	Clermontia peleana	Plants	Hawaii
1579.	Pelekunu Trail Yellow Loosestrife	Lysimachia maxima	Plants	Hawaii
1580.	Pelos del diablo	Aristida portoricensis	Plants	Puerto Rico
1581.	Pendant Kihi Fern	Adenophorus periens	Plants	Hawaii
1582.	Penland Beardtongue	Penstemon penlandii	Plants	Colorado
1583.	Pennell's Bird's-beak	Cordylanthus tenuis ssp. capillaris	Plants	California
1584.	Pennsylvania Cave Amphipod	Crangonyx dearolfi	Crustaceans	Maryland, Pennsylvania
Featured Articles: Twelve Incredibly Odd Endangered Creatures Rare white giraffes sighted for the first time in Kenya Captive cheetah gives birth to largest litter ever recorded When the Hunter Becomes the Hunted: The Power of Africa's Cape Buffalo More articles
1585.	Perdicella helena	Perdicella helena	Snails	Hawaii
1586.	Persistent Trillium	Trillium persistens	Plants	Georgia, South Carolina
1587.	Peter's Mountain Mallow	Iliamna corei	Plants	Virginia
1588.	Phantom Cave Crayfish	Procambarus pecki	Crustaceans	Alabama
1589.	Phantom Cave Snail	Cochliopa texana	Snails	Texas
1590.	Pheidole elecebra	Pheidole elecebra	Insects	United States (Colorado)
1591.	Pheidole inquilina	Pheidole inquilina	Insects	United States (Colorado)
1592.	Philippine Brown Deer	Rusa marianna	Mammals	Federated States of Micronesia, Guam, Northern Mariana Islands, Philippines
1593.	Phyllostegia glabra var. lanaiensis	Phyllostegia glabra var. lanaiensis	Plants	Hawaii
1594.	Phyllostegia hirsuta	Phyllostegia hirsuta	Plants	Hawaii
1595.	Phyllostegia kaalaensis	Phyllostegia kaalaensis	Plants	Hawaii
1596.	Phyllostegia knudsenii	Phyllostegia knudsenii	Plants	Hawaii
1597.	Phyllostegia mannii	Phyllostegia mannii	Plants	Hawaii
1598.	Phyllostegia mollis	Phyllostegia mollis	Plants	Hawaii
1599.	Phyllostegia parviflora	Phyllostegia parviflora	Plants	Hawaii
1600.	Phyllostegia racemosa	Phyllostegia racemosa	Plants	Hawaii
1601.	Phyllostegia velutina	Phyllostegia velutina	Plants	Hawaii
1602.	Phyllostegia waimeae	Phyllostegia waimeae	Plants	Hawaii
1603.	Phyllostegia warshaueri	Phyllostegia warshaueri	Plants	Hawaii
1604.	Phyllostegia wawrana	Phyllostegia wawrana	Plants	Hawaii
1605.	Pickle Springs Amphipod	Stygobromus heteropodus	Crustaceans	Missouri
1606.	Piedmont Blue Burrower	Cambarus harti	Crustaceans	Georgia
Featured Articles: 10 Unusually White Creatures You'll Probably Never See in Real Life Rare white giraffes sighted for the first time in Kenya Photos that will make you think twice before littering Helping Endangered Fish After California Wildfires More articles
1607.	Pigeon Mountain Salamander	Plethodon petraeus	Amphibians	Georgia
1608.	Pillar Coral	Dendrogyra cylindrus	Corals, Jellyfish, and Sea Anemones	Central America, Europe, North America (including United States), South America
1609.	Pilo	Hedyotis mannii	Plants	Hawaii
1610.	Pilosocereus robinii	Pilosocereus robinii	Plants	Cuba, Florida
1611.	Pinaleno Monkey Grasshopper	Eumorsea pinaleno	Insects	Arizona
1612.	Pine Barrens Treefrog	Hyla andersonii	Amphibians	Alabama, Florida, New Jersey, North Carolina, South Carolina
1613.	Pine Hill Ceanothus	Ceanothus roderickii	Plants	California
1614.	Pine Hill Flannelbush	Fremontodendron californicum ssp. decumbens	Plants	California
1615.	Pink Mucket Pearlymussel	Lampsilis abrupta	Clams	Alabama, Arkansas, Illinois, Indiana, Kentucky, Louisiana, Missouri, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia
1616.	Pink Ring Mussel	Obovaria retusa	Clams	Alabama, Illinois, Indiana, Kentucky, Ohio, Pennsylvania, Tennessee, West Virginia
1617.	Pink-footed Shearwater	Ardenna creatopus	Birds	Argentina, Australia, Canada, Chile, Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Mexico, New Zealand, Nicaragua, Peru, United States
1618.	Pinyon Jay	Gymnorhinus cyanocephalus	Birds	United States
1619.	Piping Plover	Charadrius melodus	Birds	Canada, USA - Great Lakes Watershed
1620.	Pismo Clarkia	Clarkia speciosa ssp. immaculata	Plants	California
1621.	Pisonia wagneriana	Pisonia wagneriana	Plants	Hawaii
1622.	Pitkin Marsh Lily	Lilium pardalinum ssp. pitkinense	Plants	California
1623.	Pizzini's Amphipod	Stygobromus pizzinii	Crustaceans	District of Columbia, Maryland, Pennsylvania, Virginia
1624.	Plain Cactus Snail	Xerarionta intercisa	Snails	California
1625.	Plain Pigeon	Patagioenas inornata	Birds	Dominican Republic, Haiti, Jamaica, Puerto Rico
1626.	Plain White-eye	Zosterops hypolais	Birds	Federated States of Micronesia
1627.	Platygyra carnosus	Platygyra carnosus	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
1628.	Platygyra lamellina	Platygyra lamellina	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
Featured Articles: Ten creatures that may become extinct in the next 10 years Orphaned cougar cubs progressing well at Toledo Zoo Photos that will make you think twice before littering When the Hunter Becomes the Hunted: The Power of Africa's Cape Buffalo More articles
1629.	Platygyra ryukyuensis	Platygyra ryukyuensis	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, North America (United States Territory), Oceanic
1630.	Pleurocera postelli	Pleurocera postelli	Snails	Alabama
1631.	Plicate Rocksnail	Leptoxis plicata	Snails	Alabama
1632.	Plymouth Red-bellied Turtle	Pseudemys rubriventris bangsi	Reptiles	Massachusetts
1633.	Po'ouli	Melamprosops phaeosoma	Birds	Hawaii
1634.	Poey's Grouper	Epinephelus flavolimbatus	Fishes	Central America, North America (including United States), South America
1635.	Pogonomyrmex anergismus	Pogonomyrmex anergismus	Insects	United States
1636.	Pogonomyrmex colei	Pogonomyrmex colei	Insects	United States
1637.	Pohnpei Flying Fox	Pteropus molossinus	Mammals	Federated States of Micronesia
1638.	Point Arena Mountain Beaver	Aplodontia rufa nigra	Mammals	California
1639.	Polar Bear	Ursus maritimus	Mammals	Alaska, Canada, Denmark, Greenland, Norway, Russia
1640.	Polkadot Cod	Plectropomus areolatus	Fishes	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
1641.	Polyergus lucidus	Polyergus lucidus	Insects	Florida, Indiana
1642.	Polyphyllia novaehiberniae	Polyphyllia novaehiberniae	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, North America (United States Territory), Oceanic
1643.	Pomace Fly	Drosophila aglaia	Insects	Hawaii
1644.	Pomace Fly	Drosophila differens	Insects	Hawaii
1645.	Pomace Fly	Drosophila hemipeza	Insects	Hawaii
1646.	Pomace Fly	Drosophila heteroneura	Insects	Hawaii
1647.	Pomace Fly	Drosophila montgomeryi	Insects	Hawaii
1648.	Pomace Fly	Drosophila musaphila	Insects	Hawaii
1649.	Pomace Fly	Drosophila neoclavisetae	Insects	Hawaii
1650.	Pomace Fly	Drosophila obatai	Insects	Hawaii
Featured Articles: 10 Unusually White Creatures You'll Probably Never See in Real Life Twelve Incredibly Odd Endangered Creatures Eight Inexpensive Ways You Can Help Endangered Species Photos that will make you think twice before littering More articles
1651.	Pomace Fly	Drosophila ochrobasis	Insects	Hawaii
1652.	Pomace Fly	Drosophila substenoptera	Insects	Hawaii
1653.	Pomace Fly	Drosophila tarphytrichia	Insects	Hawaii
1654.	Pondberry	Lindera melissifolia	Plants	Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, Missouri, North Carolina, South Carolina
1655.	Ponderous Siltsnail	Cincinnatia ponderosa	Snails	Florida
1656.	Porites annae	Porites annae	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Middle East, North America (Hawaii/US Territory), Oceanic
1657.	Porites attenuata	Porites attenuata	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (Hawaii/US Territory), Oceanic
1658.	Porites cylindrica	Porites cylindrica	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, North America (Hawaii/US Territory), Oceanic
1659.	Porites deformis	Porites deformis	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (Hawaii/US Territory), Oceanic
1660.	Porites horizontalata	Porites horizontalata	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Europe, North America (Hawaii/US Territory), Oceanic
1661.	Porites lobata	Porites lobata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (Hawaii/US Territory), Oceanic, South America
1662.	Porites murrayensis	Porites murrayensis	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (Hawaii/US Territory), Oceanic
1663.	Porites nigrescens	Porites nigrescens	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (Hawaii/US Territory), Oceanic
1664.	Porites pukoensis	Porites pukoensis	Corals, Jellyfish, and Sea Anemones	North America (Hawaii/US Territory)
1665.	Porites stephensoni	Porites stephensoni	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Middle East, North America (Hawaii/US Territory), Oceanic
1666.	Port Conception Jerusalem Cricket	Ammopelmatus muwu	Insects	California
1667.	Port Orford Cedar	Chamaecyparis lawsoniana	Plants	California, Oregon
1668.	Portuguese Dogfish	Centroscymnus coelolepis	Fishes	Africa, Asia, Australia, Europe, North America (United States Territory)
1669.	Portulaca sclerocarpa	Portulaca sclerocarpa	Plants	Hawaii
1670.	Pouteria Tree	Pouteria hotteana	Plants	Haiti, Puerto Rico
1671.	Prairie Sphinx Moth	Euproserpinus wiesti	Insects	United States
1672.	Presidio Clarkia	Clarkia franciscana	Plants	California
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1673.	Presidio Manzanita	Arctostaphylos hookeri var. ravenii	Plants	California
1674.	Pribilof Island Shrew	Sorex pribilofensis	Mammals	Alaska
1675.	Prickly Pear	Opuntia treleasei	Plants	California
1676.	Prickly Pear Island Snail	Micrarionta opuntia	Snails	California
1677.	Prickly Shark	Echinorhinus cookei	Fishes	Australia, California, China, Hawaii, New Zealand, Palau, Peru, Taiwan
1678.	Pristine Crayfish	Cambarus pristinus	Crustaceans	Tennessee
1679.	Procambarus latipleurum	Procambarus latipleurum	Crustaceans	Florida
1680.	Procambarus plumimanus	Procambarus plumimanus	Crustaceans	North Carolina
1681.	Procambarus rathbunae	Procambarus rathbunae	Crustaceans	Florida
1682.	Procambarus reimeri	Procambarus reimeri	Crustaceans	Arkansas
1683.	Pronghorn	Antilocapra americana	Mammals	Arizona, Mexico
1684.	Proserpine Shiner	Cyprinella proserpina	Fishes	Mexico, Texas
1685.	Protomognathus americanus	Protomognathus americanus	Insects	Indiana
1686.	Providence Petrel	Pterodroma solandri	Birds	American Samoa, Australia, Cook Islands, Indian Ocean (Norfolk Islands), New Caledonia, New Zealand, Palau, United States and Minor Outlying Islands, Wallis and Futuna
1687.	Prunus geniculata	Prunus geniculata	Plants	Florida
1688.	Psammocora contigua	Psammocora contigua	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, Oceanic, United States/US Territory
1689.	Psammocora digitata	Psammocora digitata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, Oceanic, United States/US Territory
1690.	Psammocora obtusangula	Psammocora obtusangula	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Central America, Europe, Mexico, Oceanic, United States/US Territory
1691.	Psammocora stellata	Psammocora stellata	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Central America, Mexico, Oceanic, South America, United States/US Territory
1692.	Psammocora vaughani	Psammocora vaughani	Corals, Jellyfish, and Sea Anemones	Asia, Australia, Oceanic, United States/US Territory
1693.	Pseudomyrmex leptosus	Pseudomyrmex leptosus	Insects	United States
1694.	Psidium sintenisii	Psidium sintenisii	Plants	Puerto Rico
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1695.	Psychotria grandiflora	Psychotria grandiflora	Plants	Hawaii
1696.	Psychotria hobdyi	Psychotria hobdyi	Plants	Hawaii
1697.	Pteris lidgatei	Pteris lidgatei	Plants	Hawaii
1698.	Pua'ala	Brighamia rockii	Plants	Hawaii
1699.	Puerto Rican Boa	Epicrates inornatus	Reptiles	Puerto Rico
1700.	Puerto Rican Broad-winged Hawk	Buteo platypterus brunnescens	Birds	Puerto Rico
1701.	Puerto Rican Crested Toad	Peltophryne lemur	Amphibians	British Virgin Islands, Puerto Rico
1702.	Puerto Rican Nightjar	Antrostomus noctitherus	Birds	Puerto Rico
1703.	Puerto Rican Parrot	Amazona vittata	Birds	Puerto Rico
1704.	Puerto Rican Robber Frog	Eleutherodactylus portoricensis	Amphibians	Puerto Rico
1705.	Puerto Rican Sharp-shinned Hawk	Accipiter striatus venator	Birds	Puerto Rico
1706.	Puerto Rican Wetland Frog	Eleutherodactylus juanariveroi	Amphibians	Puerto Rico
1707.	Puerto Rico Helmet Orchid	Cranichis ricartii	Plants	Puerto Rico
1708.	Puritan Tiger Beetle	Cicindela puritana	Insects	Connecticut, Maryland, Massachusetts, New Hampshire, Vermont
1709.	Purple Bankclimber	Elliptoideus sloatianus	Clams	Alabama, Florida, Georgia
1710.	Purple Bean	Villosa perpurpurea	Clams	Tennessee, Virginia
1711.	Purple Skimmer	Libellula jesseana	Insects	Florida
1712.	Purpleflower Blacksnakeroot	Sanicula purpurea	Plants	Hawaii
1713.	Putnam County Cave Crayfish	Procambarus morrisi	Crustaceans	Florida
1714.	Pycroft's Petrel	Pterodroma pycrofti	Birds	Japan, New Zealand, United States and Minor Outlying Islands, Wallis and Futuna
1715.	Pygmy Madtom	Noturus stanauli	Fishes	Tennessee
1716.	Pygmy Pebblesnail	Somatogyrus pygmaeus	Snails	Alabama
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1717.	Pygmy Rabbit	Brachylagus idahoensis	Mammals	USA - Columbia Basin DPS
1718.	Pygmy Sculpin	Cottus paulus	Fishes	Alabama
1719.	Pygmy Siltsnail	Cincinnatia parva	Snails	Florida
1720.	Quadrate Pebblesnail	Somatogyrus quadratus	Snails	Alabama
1721.	Queen Triggerfish	Balistes vetula	Fishes	Africa, Asia, Central America, North America (including United States), Oceanic, South America
1722.	Quercus acerifolia	Quercus acerifolia	Plants	Arkansas
1723.	Quercus basaseachicensis	Quercus basaseachicensis	Plants	Arkansas
1724.	Quercus boyntonii	Quercus boyntonii	Plants	Alabama, Texas
1725.	Quercus dumosa	Quercus dumosa	Plants	California, Mexico
1726.	Quercus georgiana	Quercus georgiana	Plants	Alabama, Georgia, South Carolina
1727.	Quercus graciliformis	Quercus graciliformis	Plants	Texas
1728.	Quercus hinckleyi	Quercus hinckleyi	Plants	Texas
1729.	Quercus oglethorpensis	Quercus oglethorpensis	Plants	Georgia, Mississippi, South Carolina
1730.	Quercus tardifolia	Quercus tardifolia	Plants	Texas
1731.	Quillwort	Isoetes louisianensis	Plants	Louisiana, Mississippi
1732.	Quillwort	Isoetes melanospora	Plants	Georgia, South Carolina
1733.	Quillwort	Isoetes tegetiformans	Plants	Georgia
1734.	Quino Checkerspot Butterfly	Euphydryas editha quino	Insects	California, Mexico
1735.	Radiator Plant	Peperomia wheeleri	Plants	Puerto Rico
1736.	Railroad Valley Springfish	Crenichthys nevadae	Fishes	Nevada
1737.	Rainbow Parrotfish	Scarus guacamaia	Fishes	Central America, North America (including United States), Oceanic, South America
1738.	Ramsey Canyon Leopard Frog	Lithobates subaquavocalis	Amphibians	Arizona
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1739.	Razorback Sucker	Xyrauchen texanus	Fishes	Arizona, California, Colorado, Mexico, Nevada, New Mexico, Utah, Wyoming
1740.	Red Fruit Bat	Stenoderma rufum	Mammals	Puerto Rico, Virgin Islands
1741.	Red Grouper	Epinephelus morio	Fishes	Central America, North America (including United States), Oceanic, South America
1742.	Red Hills Salamander	Phaeognathus hubrichti	Amphibians	Alabama
1743.	Red Porgy	Pagrus pagrus	Fishes	Asia, Central and South America, Europe, Africa, and the Middle East, Mexico, United States
1744.	Red Tree Vole	Arborimus longicaudus	Mammals	California, Oregon
1745.	Red Wolf	Canis rufus	Mammals	USA (SE US, west to central Texas)
1746.	Red-black Crayfish	Cambarus pyronotus	Crustaceans	Florida
1747.	Red-cheeked Salamander	Plethodon jordani	Amphibians	North Carolina, Tennessee
1748.	Red-cockaded Woodpecker	Picoides borealis	Birds	USA (southcentral and southeastern)
1749.	Red-crowned Parrot	Amazona viridigenalis	Birds	Mexico, Puerto Rico, US (TX, FL, CA)
1750.	Red-headed Woodpecker	Melanerpes erythrocephalus	Birds	Canada, Saint Pierre and Miquelon, United States
1751.	Red-legged Kittiwake	Rissa brevirostris	Birds	Alaska, Canada, Japan
1752.	Red-legged Salamander	Plethodon shermani	Amphibians	North Carolina, Tennessee
1753.	Reddell's Cave Amphipod	Stygobromus reddelli	Crustaceans	Texas
1754.	Acadian Redfish	Sebastes fasciatus	Fishes	Canada, Greenland, Iceland, United States
1755.	Relict Dace	Relictus solitarius	Fishes	Nevada
1756.	Relict Darter	Etheostoma chienense	Fishes	Kentucky
1757.	Relict Leopard Frog	Lithobates onca	Amphibians	Arizona, Nevada, Utah
1758.	Relict Trillium	Trillium reliquum	Plants	Alabama, Georgia, South Carolina
1759.	Remote Conehead Katydid	Enconocephalus remotus	Insects	Hawaii
1760.	Remy's Sandmat	Chamaesyce remyi	Plants	Hawaii
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1761.	Reticulate Collared Lizard	Crotaphytus reticulatus	Reptiles	Mexico, Texas
1762.	Reticulated Flatwoods Salamander	Ambystoma bishopi	Amphibians	Alabama, Florida, Georgia
1763.	Rhinoceros Iguana	Cyclura cornuta	Reptiles	Dominican Republic, Haiti, Puerto Rico
1764.	Rhododendron chapmanii	Rhododendron chapmanii	Plants	Florida
1765.	Rich Mountain Salamander	Plethodon ouachitae	Amphibians	Arkansas, Oklahoma
1766.	Richmond's Robber Frog	Eleutherodactylus richmondi	Amphibians	Puerto Rico
1767.	Ridgway's Hawk	Buteo ridgwayi	Birds	Dominican Republic, Puerto Rico
1768.	Rim Rock Crowned Snake	Tantilla oolitica	Reptiles	Florida
1769.	Ringed Boghaunter	Williamsonia lintneri	Insects	Connecticut, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, Rhode Island, Wisconsin
1770.	Ringed Hornsnail	Pleurocera annulifera	Snails	Alabama
1771.	Ringed Sawback	Graptemys oculifera	Reptiles	Louisiana, Mississippi
1772.	Rio Grande Darter	Etheostoma grahami	Fishes	Mexico, Texas
1773.	Rio Grande Monkeyface	Quadrula couchiana	Clams	New Mexico, Texas
1774.	Rio Grande Silvery Minnow	Hybognathus amarus	Fishes	Mexico, New Mexico, Texas
1775.	Riparian Brush Rabbit	Sylvilagus bachmani riparius	Mammals	California
1776.	Riparian Woodrat	Neotoma fuscipes riparia	Mammals	California
1777.	Roan Mountain Bluet	Hedyotis purpurea var. montana	Plants	North Carolina, Tennessee
1778.	Roanoke Bass	Ambloplites cavifrons	Fishes	North Carolina, Virginia
1779.	Roanoke Logperch	Percina rex	Fishes	Virginia
1780.	Robber Baron Cave Meshweaver	Cicurina baronia	Arachnids	Texas
1781.	Robust Cottontail	Sylvilagus robustus	Mammals	New Mexico, Texas
1782.	Robust Spineflower	Chorizanthe robusta	Plants	California
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1783.	Rock Gnome Lichen	Gymnoderma lineare	Plants	North Carolina, Tennessee
1784.	Rockface Starviolet	Hedyotis parvula	Plants	Hawaii
1785.	Rocky Mountain Capshell	Acroloxus coloradensis	Snails	Canada, United States
1786.	Rolling Pebblesnail	Somatogyrus strengi	Snails	Alabama
1787.	Roseate Tern	Sterna dougallii dougallii	Birds	Northeastern USA
1788.	Roswell Springsnail	Pyrgulopsis roswellensis	Snails	New Mexico
1789.	Rota Bridled White-eye	Zosterops rotensis	Birds	Northern Mariana Islands
1790.	Rough Cactus Coral	Mycetophyllia ferox	Corals, Jellyfish, and Sea Anemones	Central America, North America (including United States), South America
1791.	Rough Hornsnail	Pleurocera foremani	Snails	Alabama
1792.	Rough Pigtoe	Pleurobema plenum	Clams	Alabama, Indiana, Kentucky, Pennsylvania, Tennessee, Virginia
1793.	Rough Popcornflower	Plagiobothrys hirtus	Plants	Oregon
1794.	Rough Rabbitsfoot	Quadrula cylindrica strigillata	Clams	Tennessee, Virginia
1795.	Rough Rockshell	Quadrula tuberosa	Clams	Kentucky, Tennessee
1796.	Rough Sculpin	Cottus asperrimus	Fishes	California
1797.	Rough-leaved Loosestrife	Lysimachia asperulaefolia	Plants	Hawaii
1798.	Round Ebonyshell	Obovaria rotulata	Clams	Alabama, Florida
1799.	Round Rocksnail	Elimia ampla	Snails	Alabama
1800.	Round-leaved Chaff-flower	Achyranthes splendens var. rotundata	Plants	Hawaii
1801.	Round-rib Elimia	Elimia nassula	Snails	Alabama
1802.	Royal Marstonia Snail	Pyrgulopsis ogmorhaphe	Snails	Tennessee
1803.	Rugel's Pawpaw	Deeringothamnus rugelii	Plants	Florida
1804.	Rugged Hornsnail	Pleurocera alveare	Snails	Alabama, Arkansas, Illinois, Kentucky, Missouri, Tennessee
Featured Articles: Ten creatures that may become extinct in the next 10 years Orphaned cougar cubs progressing well at Toledo Zoo 10 Unusually White Creatures You'll Probably Never See in Real Life Eight Inexpensive Ways You Can Help Endangered Species More articles
1805.	Running Buffalo Clover	Trifolium stoloniferum	Plants	Arkansas, Illinois, Indiana, Kansas, Kentucky, Missouri, Ohio, West Virginia
1806.	Rusty Blackbird	Euphagus carolinus	Birds	Saint Pierre and Miquelon, United States
1807.	Rusty Grave Digger	Cambarus miltus	Crustaceans	Alabama, Florida
1808.	Ruth's Golden Aster	Pityopsis ruthii	Plants	Tennessee
1809.	Rye Cove Cave Isopod	Lirceus culveri	Crustaceans	Virginia
1810.	Sabino Dancer	Argia sabino	Insects	Arizona, Mexico
1811.	Sacramento Anthicid Beetle	Anthicus sacramento	Insects	United States
1812.	Sacramento Orcutt Grass	Orcuttia viscida	Plants	California
1813.	Sacramento Prickly Poppy	Argemone pleiacantha ssp. pinnatisecta	Plants	New Mexico
1814.	Sacramento Splittail	Pogonichthys macrolepidotus	Fishes	California
1815.	Salina Mucket	Potamilus metnecktayi	Clams	Texas
1816.	Saline Burrowing Crayfish	Fallicambarus strawni	Crustaceans	Arkansas
1817.	Salt Creek Tiger Beetle	Cicindela nevadica lincolniana	Insects	Nebraska
1818.	Salt Marsh Bird's-beak	Cordylanthus maritimus ssp. maritimus	Plants	California, Mexico (Baja California)
1819.	Salt Marsh Harvest Mouse	Reithrodontomys raviventris	Mammals	California
1820.	Saltmarsh Sharp-tailed Sparrow	Ammodramus caudacutus	Birds	Canada, United States
1821.	Salvelinus confluentus	Salvelinus confluentus	Fishes	Canada, United States
1822.	Sambar Deer	Rusa unicolor	Mammals	Africa, Asia, Australia, Central America, North America (United States)
1823.	Samoan Flying Fox	Pteropus samoensis	Mammals	American Samoa, Fiji, Samoa
1824.	Samoan Tree Snail	Samoana abbreviata	Snails	American Samoa
1825.	Samoan Tree Snail	Samoana conica	Snails	American Samoa
1826.	Samoan Tree Snail	Samoana fragilis	Snails	Guam
Featured Articles: Eight Species Declared Extinct But May Still be Out There Orphaned cougar cubs progressing well at Toledo Zoo Helping Endangered Fish After California Wildfires When the Hunter Becomes the Hunted: The Power of Africa's Cape Buffalo More articles
1827.	Samoan Tree Snail	Samoana thurstoni	Snails	American Samoa
1828.	Samwell Cave Cricket	Pristoceuthophilus sp. nov.	Insects	United States (California)
1829.	San Bernardino Bluegrass	Poa atropurpurea	Plants	California
1830.	Merriam's Kangaroo Rat	Dipodomys merriami	Mammals	California
1831.	San Bernardino Mountains Bladderpod	Lesquerella kingii ssp. bernardina	Plants	California
1832.	San Bruno Elfin Butterfly	Callophrys mossii bayensis	Insects	California
1833.	San Clemente Island Broom	Lotus dendroideus ssp. traskiae	Plants	California
1834.	San Clemente Island Bush-mallow	Malacothamnus clementinus	Plants	California
1835.	San Clemente Island Indian Paintbrush	Castilleja grisea	Plants	California
1836.	San Clemente Island Larkspur	Delphinium variegatum ssp. kinkiense	Plants	California
1837.	San Clemente Island Woodland-star	Lithophragma maximum	Plants	California
1838.	San Clemente Loggerhead Shrike	Lanius ludovicianus mearnsi	Birds	California
1839.	San Diego Ambrosia	Ambrosia pumila	Plants	California, Mexico
1840.	San Diego Button-celery	Eryngium aristulatum var. parishii	Plants	California
1841.	San Diego Fairy Shrimp	Branchinecta sandiegonensis	Crustaceans	California
1842.	San Diego Mesa-mint	Pogogyne abramsii	Plants	California
1843.	San Francisco Garter Snake	Thamnophis sirtalis tetrataenia	Reptiles	California
1844.	San Francisco Lessingia	Lessingia germanorum	Plants	California
1845.	San Gabriel Springs Salamander	Eurycea naufragia	Amphibians	Texas
1846.	San Jacinto Valley Crownscale	Atriplex coronata var. notatior	Plants	California
1847.	San Joaquin Dune Beetle	Coelus gracilis	Insects	California
1848.	San Joaquin Kit Fox	Vulpes macrotis mutica	Mammals	California
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1849.	San Joaquin Wooly-threads	Monolopia congdonii	Plants	California
1850.	San Marcos Gambusia	Gambusia georgei	Fishes	Texas
1851.	San Marcos Salamander	Eurycea nana	Amphibians	Texas
1852.	San Mateo Thornmint	Acanthomintha obovata ssp. duttonii	Plants	California
1853.	San Mateo Woolly Sunflower	Eriophyllum latilobum	Plants	California
1854.	San Rafael Cactus	Pediocactus despainii	Plants	Utah
1855.	Sand Sturgeon	Scaphirhynchus platorynchus	Fishes	United States
1856.	Sandhill Crane	Grus canadensis	Birds	Mississippi, West Indies (Cuba)
1857.	Sandhills Crayfish	Procambarus angustatus	Crustaceans	Georgia
1858.	Sandlace	Polygonella myriophylla	Plants	Florida
1859.	Sandplain Gerardia	Agalinis acuta	Plants	Connecticut, Maryland, Massachusetts, New York, Rhode Island
1860.	Sandstone Night Lizard	Xantusia gracilis	Reptiles	California
1861.	Sandwort	Arenaria cumberlandensis	Plants	Kentucky, Tennessee
1862.	Sandwort	Arenaria paludicola	Plants	California
1863.	Santa Ana River Woolly-star	Eriastrum densifolium ssp. sanctorum	Plants	California
1864.	Santa Ana Sucker	Catostomus santaanae	Fishes	California
1865.	Santa Barbara Island Liveforever	Dudleya traskiae	Plants	California
1866.	Santa Catalina Island Manzanita	Arctostaphylos catalinae	Plants	California
1867.	Santa Clara Valley Dudleya	Dudleya setchellii	Plants	California
1868.	Santa Cruz Cypress	Cupressus abramsiana	Plants	California
1869.	Santa Cruz Island Bush-mallow	Malacothamnus fasciculatus var. nesioticus	Plants	California
1870.	Santa Cruz Island Fringepod	Thysanocarpus conchuliferus	Plants	California
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1871.	Santa Cruz Island Malacothrix	Malacothrix indecora	Plants	California
1872.	Santa Cruz Island Rock-cress	Sibara filifolia	Plants	California
1873.	Santa Cruz Long-toed Salamander	Ambystoma macrodactylum croceum	Amphibians	California
1874.	Santa Fe Cave Crayfish	Procambarus erythrops	Crustaceans	Florida
1875.	Santa Monica Mountains Grasshopper	Trimerotropis occidentaloides	Insects	California
1876.	Santa Monica Shieldback Katydid	Aglaothorax longipennis	Insects	United States
1877.	Santa Rosa Island Manzanita	Arctostaphylos confertiflora	Plants	California
1878.	Say's Spiketail	Cordulegaster sayi	Insects	Florida, Georgia
1879.	Scaleshell Mussel	Leptodea leptodon	Clams	Alabama, Arkansas, Illinois, Indiana, Iowa, Kentucky, Minnesota, Missouri, Ohio, Oklahoma, South Dakota, Tennessee, Wisconsin
1880.	Scarlet Bluet	Enallagma pictum	Insects	Connecticut, Maine, Massachusetts, New Jersey, New York, Rhode Island
1881.	Schauinsland's Bush Cricket	Caconemobius schauinslandi	Insects	Hawaii
1882.	Schaus Swallowtail	Papilio aristodemus	Insects	Florida
1883.	Schiedea adamantis	Schiedea adamantis	Plants	Hawaii
1884.	Schiedea apokremnos	Schiedea apokremnos	Plants	Hawaii
1885.	Schiedea haleakalensis	Schiedea haleakalensis	Plants	Hawaii
1886.	Schiedea helleri	Schiedea helleri	Plants	Hawaii
1887.	Schiedea hookeri	Schiedea hookeri	Plants	Hawaii
1888.	Schiedea kaalae	Schiedea kaalae	Plants	Hawaii
1889.	Schiedea kauaiensis	Schiedea kauaiensis	Plants	Hawaii
1890.	Schiedea kealiae	Schiedea kealiae	Plants	Hawaii
1891.	Schiedea lydgatei	Schiedea lydgatei	Plants	Hawaii
1892.	Schiedea membranacea	Schiedea membranacea	Plants	Hawaii
Featured Articles: Orphaned cougar cubs progressing well at Toledo Zoo The Seven Sea Turtle Species of the World Helping Endangered Fish After California Wildfires When the Hunter Becomes the Hunted: The Power of Africa's Cape Buffalo More articles
1893.	Schiedea nuttallii	Schiedea nuttallii	Plants	Hawaii
1894.	Schiedea sarmentosa	Schiedea sarmentosa	Plants	Hawaii
1895.	Schiedea spergulina var. leiopoda	Schiedea spergulina var. leiopoda	Plants	Hawaii
1896.	Schiedea stellarioides	Schiedea stellarioides	Plants	Hawaii
1897.	Schiedea verticillata	Schiedea verticillata	Plants	Hawaii
1898.	Schwartz's Robber Frog	Eleutherodactylus schwartzi	Amphibians	Virgin Islands (British and US)
1899.	Schweinitz's Sunflower	Helianthus schweinitzii	Plants	North Carolina, South Carolina
1900.	Scioto Madtom	Noturus trautmani	Fishes	Ohio
1901.	Scottbar Salamander	Plethodon asupak	Amphibians	California
1902.	Scotts Valley Polygonum	Polygonum hickmanii	Plants	California
1903.	Scrub Blazingstar	Liatris ohlingerae	Plants	Florida
1904.	Scrub Lupine	Lupinus aridorum	Plants	Florida
1905.	Scrub Mint	Dicerandra frutescens	Plants	Florida
1906.	Sculpin Snail	Stiobia nana	Snails	Alabama
1907.	Sea Otter	Enhydra lutris	Mammals	Canada, Japan, Mexico, Russia, United States
1908.	Seabass	Epinephelus niveatus	Fishes	Central America, North America (including United States), Oceanic, South America
1909.	Sebastopol Meadowfoam	Limnanthes vinculans	Plants	California
1910.	Sebucan	Leptocereus grantianus	Plants	Puerto Rico
1911.	Sebucan	Leptocereus quadricostatus	Plants	British Virgin Islands, Puerto Rico
1912.	Seepage Salamander	Desmognathus aeneus	Amphibians	Alabama, Georgia, North Carolina, Tennessee
1913.	Seminole Siltsnail	Cincinnatia vanhyningi	Snails	Florida
1914.	Sentry Milk-vetch	Astragalus cremnophylax var. cremnophylax	Plants	Arizona
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1915.	Seriatopora aculeata	Seriatopora aculeata	Corals, Jellyfish, and Sea Anemones	Australia, Federated States of Micronesia, Fiji, Indonesia, Japan, Madagascar, Malaysia, New Caledonia, Northern Mariana Islands, Palau, Papua New Guinea, Philippines, Solomon Islands, Vanuatu
1916.	Seriatopora dendritica	Seriatopora dendritica	Corals, Jellyfish, and Sea Anemones	Australia, Indonesia, Malaysia, Marshall Islands, Papua New Guinea, Philippines, Singapore, Solomon Islands, Thailand
1917.	Shale Barren Rock-cress	Arabis serotina	Plants	Virginia, West Virginia
1918.	Shasta Crayfish	Pacifastacus fortis	Crustaceans	California
1919.	Shasta Salamander	Hydromantes shastae	Amphibians	California
1920.	Shenandoah Mountain Salamander	Plethodon virginia	Amphibians	Virginia, West Virginia
1921.	Shenandoah Salamander	Plethodon shenandoah	Amphibians	Virginia
1922.	Shiny Pigtoe	Fusconaia cor	Clams	Tennessee, Virginia
1923.	Shinyrayed Pocketbook	Lampsilis subangulata	Clams	Alabama, Florida, Georgia
1924.	Shivwits Milk-vetch	Astragalus ampullarioides	Plants	Utah
1925.	Short's Goldenrod	Solidago shortii	Plants	Kentucky
1926.	Short-leaved Rosemary	Conradina brevifolia	Plants	Florida
1927.	Short-tailed Albatross	Phoebastria albatrus	Birds	Arkansas, Bering Sea, California, Canada, China, Hawaii, Japan, Mexico, North Pacific Ocean, Oregon, Russia, Taiwan, Washington
1928.	Short-tailed Snake	Stilosoma extenuatum	Reptiles	Florida
1929.	Shortjaw Cisco	Coregonus zenithicus	Fishes	Canada, United States
1930.	Shortnose Cisco	Coregonus reighardi	Fishes	Canada, United States
1931.	Shortnose Sturgeon	Acipenser brevirostrum	Fishes	USA and Canada (Atlantic Coast)
1932.	Shortnose Sucker	Chasmistes brevirostris	Fishes	California, Oregon
1933.	Shortspine Thornyhead	Sebastolobus alascanus	Fishes	Canada, Russia, United States
1934.	Shortspire Hornsnail	Pleurocera curta	Snails	Alabama, Kentucky, Tennessee
1935.	Shoshone Sculpin	Cottus greenei	Fishes	Idaho
1936.	Showy Indian Clover	Trifolium amoenum	Plants	California
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1937.	Showy Stickseed	Hackelia venusta	Plants	Washington
1938.	Shrubby Reed-mustard	Schoenocrambe suffrutescens	Plants	Utah
1939.	Shy Ground-dove	Gallicolumba stairi	Birds	American Samoa, Fiji, Samoa, Tonga, Wallis and Futuna
1940.	Sierra Nevada Yellow-legged Frog	Rana sierrae	Amphibians	California
1941.	Sierra Pygmy Grasshopper	Tetrix sierrane	Insects	California
1942.	Silene alexandri	Silene alexandri	Plants	Hawaii
1943.	Silene lanceolata	Silene lanceolata	Plants	Hawaii
1944.	Silene perlmanii	Silene perlmanii	Plants	Hawaii
1945.	Silene polypetala	Silene polypetala	Plants	Florida, Georgia
1946.	Silt Elimia	Elimia haysiana	Snails	Alabama
1947.	Silver Glen Springs Cave Crayfish	Procambarus attiguus	Crustaceans	Florida
1948.	Silver Rice Rat	Oryzomys palustris natator	Mammals	Florida
1949.	Siskiyou Chloealtis Grasshopper	Chloealtis aspasma	Insects	Oregon
1950.	Siskiyou Mountains Salamander	Plethodon stormi	Amphibians	California, Oregon
1951.	Skirted Hornsnail	Pleurocera pyrenella	Snails	Alabama, Georgia
1952.	Skistodiaptomus carolinensis	Skistodiaptomus carolinensis	Crustaceans	North Carolina
1953.	Slackwater Darter	Etheostoma boschungi	Fishes	Alabama, Tennessee
1954.	Slave Raiding Ant	Polyergus breviceps	Insects	Indiana
1955.	Slender Campeloma	Campeloma decampi	Snails	Alabama
1956.	Slender Chub	Erimystax cahni	Fishes	Tennessee, Virginia
1957.	Slender Rush-pea	Hoffmannseggia tenella	Plants	Texas
1958.	Slender-horned Spineflower	Dodecahema leptoceras	Plants	California
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1959.	Slender-petaled Mustard	Thelypodium stenopetalum	Plants	California
1960.	Slenderwrist Burrowing Crayfish	Fallicambarus petilicarpus	Crustaceans	Arkansas
1961.	Slowwater Elimia	Elimia interveniens	Snails	Alabama, Tennessee
1962.	Small Kauai Thrush	Myadestes palmeri	Birds	Hawaii
1963.	Small's Milkpea	Galactia smallii	Plants	Florida
1964.	Small-anthered Bittercress	Cardamine micranthera	Plants	North Carolina, Virginia
1965.	Dubautia microcephala	Dubautia microcephala	Plants	Hawaii
1966.	Smalleye Shiner	Notropis buccula	Fishes	Texas
1967.	Smalltooth Sawfish	Pristis pectinata	Fishes	Gulf of Mexico, Texas through Florida (USA), USA - Atlantic: North Carolina through Florida
1968.	Smith's Blue Butterfly	Euphilotes enoptes smithi	Insects	California
1969.	Smoky Madtom	Noturus baileyi	Fishes	Tennessee
1970.	Smooth Coneflower	Echinacea laevigata	Plants	Georgia, Maryland, North Carolina, Pennsylvania, South Carolina, Virginia
1971.	Smooth Rocksnail	Leptoxis virgata	Snails	Alabama, North Carolina, Tennessee, Virginia
1972.	Snail Darter	Percina tanasi	Fishes	Alabama, Georgia, Tennessee
1973.	Snake River Physa Snail	Physa natricina	Snails	Idaho
1974.	Snakeroot	Eryngium cuneifolium	Plants	Florida
1975.	Sockeye Salmon	Oncorhynchus nerka	Fishes	USA - Snake River, Idaho
1976.	Socorro Isopod	Thermosphaeroma thermophilum	Crustaceans	New Mexico
1977.	Socorro Springsnail	Pyrgulopsis neomexicana	Snails	New Mexico
1978.	Soft Bird's-Beak	Cordylanthus mollis ssp. mollis	Plants	California
1979.	Soft-leaved Indian Paintbrush	Castilleja mollis	Plants	California
1980.	Solano Grass	Tuctoria mucronata	Plants	California
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1981.	Solanum drymophilum	Solanum drymophilum	Plants	Puerto Rico
1982.	Solanum incompletum	Solanum incompletum	Plants	Hawaii
1983.	Solanum sandwicense	Solanum sandwicense	Plants	Hawaii
1984.	Sonoma Alopecurus	Alopecurus aequalis var. sonomensis	Plants	California
1985.	Sonoma Spineflower	Chorizanthe valida	Plants	California
1986.	Sonoma Sunshine	Blennosperma bakeri	Plants	California
1987.	Sonora Mud Turtle	Kinosternon sonoriense	Reptiles	Arizona, California, Mexico, Nevada, New Mexico
1988.	Sonora Tiger Salamander	Ambystoma tigrinum stebbinsi	Amphibians	Arizona, Mexico
1989.	Sooty Crayfish	Pacifastacus nigrescens	Crustaceans	California
1990.	Sooty Shearwater	Ardenna grisea	Birds	Africa, Antarctica, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic, South America
1991.	South Mountain Gray-cheeked Salamander	Plethodon meridianus	Amphibians	North Carolina
1992.	South Sierra Nevada Springsnail	Pyrgulopsis giuliani	Snails	New Mexico
1993.	South Texas Ambrosia	Ambrosia cheiranthifolia	Plants	Texas
1994.	Southern Acornshell	Epioblasma othcaloogensis	Clams	Alabama, Georgia, Tennessee
1995.	Southern Cavefish	Typhlichthys subterraneus	Fishes	Alabama, Arkansas, Georgia, Indiana, Kentucky, Missouri, Tennessee
1996.	Southern Clubshell	Pleurobema decisum	Clams	Alabama, Georgia, Mississippi, Tennessee
1997.	Southern Combshell	Epioblasma penita	Clams	Alabama, Mississippi
1998.	Southern Giant Clam	Tridacna derasa	Clams	American Samoa, Asia, Australia, North America (United States Territory), Oceanic
1999.	Southern Hog-nosed Snake	Heterodon simus	Reptiles	United States
2000.	Southern Kidneyshell	Ptychobranchus jonesi	Clams	Alabama, Florida
2001.	Southern Pigtoe	Pleurobema georgianum	Clams	Alabama, Georgia, Tennessee
2002.	Southern Snaketail	Ophiogomphus australis	Insects	Louisiana, Mississippi
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2003.	Southwestern Willow Flycatcher	Empidonax traillii extimus	Birds	Arizona, California, Colorado, Mexico, New Mexico, Texas, Utah
2004.	Spea hammondii	Spea hammondii	Amphibians	California, Mexico
2005.	Speckled Burrowing Crayfish	Fallicambarus danielae	Crustaceans	Alabama, Mississippi
2006.	Speckled Dace	Rhinichthys osculus	Fishes	Nevada, Wyoming
2007.	Speckled Pocketbook	Lampsilis streckeri	Clams	Arkansas
2008.	Sphaerocarpos drewei	Sphaerocarpos drewei	Plants	California
2009.	Spikedace	Meda fulgida	Fishes	Arizona, New Mexico
2010.	Spindle Elimia	Elimia capillaris	Snails	Alabama, Georgia
2011.	Spiny River Snail	Io fluvialis	Snails	Alabama, Tennessee, Virginia
2012.	Spiny-tail Crayfish	Procambarus fitzpatricki	Crustaceans	Mississippi
2013.	Spiral Hornsnail	Pleurocera brumbyi	Snails	Alabama
2014.	Spoon-billed Sandpiper	Eurynorhynchus pygmeus	Birds	Bangladesh, Canada, China, India, Japan, Korea, Malaysia, Myanmar, Philippines, Russia, Singapore, Sri Lanka, Taiwan, Thailand, United States (Alaska), Vietnam
2015.	Spot-tailed Earless Lizard	Holbrookia lacerata	Reptiles	Mexico, Texas
2016.	Spotted Eagle Ray	Aetobatus narinari	Fishes	Africa, Asia, Australia, Central America, Middle East, North America (including United States and US Island Territory and Hawaii), Oceans, South America
2017.	Spotted Owl	Strix occidentalis	Birds	Arizona, California, Canada, Mexico, New Mexico, Texas
2018.	Spotted Rocksnail	Leptoxis picta	Snails	Alabama
2019.	Spotted Turtle	Clemmys guttata	Reptiles	Canada, United States
2020.	Sprague's Pipit	Anthus spragueii	Birds	Canada, Mexico, United States
2021.	Spreading Avens	Geum radiatum	Plants	North Carolina, Tennessee
2022.	Spring Cave Amphipod	Stygobromus spinatus	Crustaceans	West Virginia
2023.	Spring Creek Bladderpod	Lesquerella perforata	Plants	Tennessee
2024.	Springfish	Crenichthys baileyi	Fishes	Nevada
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2025.	Spruce-fir Moss Spider	Microhexura montivaga	Arachnids	North Carolina, Tennessee
2026.	St. Croix Ground Lizard	Ameiva polops	Reptiles	Virgin Islands
2027.	Star Cactus	Astrophytum asterias	Plants	Mexico, Texas
2028.	Starlet Sea Anemone	Nematostella vectensis	Corals, Jellyfish, and Sea Anemones	Canada, United Kingdom, United States
2029.	Starry Cup Coral	Acanthastrea bowerbanki	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceans
2030.	Starry Cup Coral	Acanthastrea hillae	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceans
2031.	Starry Cup Coral	Acanthastrea ishigakiensis	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceans
2032.	Starry Cup Coral	Acanthastrea subechinata	Corals, Jellyfish, and Sea Anemones	Africa, Asia, Australia, Middle East, North America (United States Territory), Oceans
2033.	Stebbins' Morning-glory	Calystegia stebbinsii	Plants	California
2034.	Steelhead	Oncorhynchus mykiss	Fishes	(endangered population southern California Coast), North Pacific Ocean from the Kamchatka Peninsula in Asia to the northern Baja Peninsula
2035.	Stejneger's Petrel	Pterodroma longirostris	Birds	Chile, Federated States of Micronesia, French Polynesia, Guam, Japan, Marshall Islands, New Zealand, Northern Mariana Islands, United States, United States Minor Outlying Islands
2036.	Steller Sea-lion	Eumetopias jubatus	Mammals	Alaska, California, Canada, North Pacific Ocean, Oregon, Russia, Washington
2037.	Steller's Eider	Polysticta stelleri	Birds	Asia, Europe, North America (United States Territory), Oceanic
2038.	Steller's Sea-eagle	Haliaeetus pelagicus	Birds	China, Japan, Korea, United States
2039.	Stellmack's Cave Amphipod	Stygobromus stellmacki	Crustaceans	Pennsylvania
2040.	Stephen's Kangaroo Rat	Dipodomys cascus	Mammals	California
2041.	Stephen's Kangaroo Rat	Dipodomys stephensi	Mammals	California
2042.	Stirrupshell	Quadrula stapes	Clams	Alabama, Mississippi
2043.	Stocky Pebblesnail	Somatogyrus crassus	Snails	Alabama
2044.	Stone-leaf Coral	Lithophyllon undulatum	Corals, Jellyfish, and Sea Anemones	American Samoa, Asia, Australia, Oceanic
2045.	Streamside Salamander	Ambystoma barbouri	Amphibians	United States
2046.	Streptocephalus woottoni	Streptocephalus woottoni	Crustaceans	California
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2047.	Striated Darter	Etheostoma striatulum	Fishes	Tennessee
2048.	Striped Newt	Notophthalmus perstriatus	Amphibians	Florida, Georgia
2049.	Sturgeon Chub	Macrhybopsis gelida	Fishes	United States
2050.	Subtle Cave Amphipod	Stygobromus subtilis	Crustaceans	Illinois, Michigan, Missouri
2051.	Succinea piratarum	Succinea piratarum	Snails	Guam
2052.	Succinea quadrasi	Succinea quadrasi	Snails	Guam
2053.	Sugarfoot Moth Fly	Nemapalpus nearcticus	Insects	Florida
2054.	Suisun Thistle	Cirsium hydrophilum var. hydrophilum	Plants	California
2055.	Superb Spharagemon Grasshopper	Eximacris superbum	Insects	Texas
2056.	Surge Grouper	Epinephelus socialis	Fishes	American Samoa, Asia, Australia, North America (United States Territory), Oceanic
2057.	Suwannee Moccasinshell	Medionidus walkeri	Clams	Florida
2058.	Swampforest Clermontia	Clermontia waimeae	Plants	Hawaii
2059.	Tahiti Petrel	Pseudobulweria rostrata	Birds	American Samoa, Australia, Cook Islands, Federated States of Micronesia, Fiji, French Polynesia, Guam, New Caledonia, New Zealand, Solomon Islands
2060.	Lowfin Gulper Shark	Centrophorus lusitanicus	Fishes	Africa, Asia, Australia, Europe, North America (United States Territory)
2061.	Tanner's Black Camel Cricket	Utabaenetes tanneri	Insects	Utah
2062.	Tar River Spinymussel	Elliptio steinstansana	Clams	North Carolina
2063.	Tawny Nurse Shark	Nebrius ferrugineus	Fishes	Africa, Asia, Australia, Middle East, North America (United States Territory), Oceanic
2064.	Tectaria estremerana	Tectaria estremerana	Plants	Puerto Rico
2065.	Tehachapi Slender Salamander	Batrachoseps stebbinsi	Amphibians	California
2066.	Telescope Hornsnail	Pleurocera walkeri	Snails	Alabama, Georgia, Kentucky, Tennessee
2067.	Tennessee Cave Salamander	Gyrinophilus palleucus	Amphibians	Alabama, Georgia, Tennessee
2068.	Tennessee Clubshell	Pleurobema oviforme	Clams	Alabama, Kentucky, Mississippi, North Carolina, Tennessee, Virginia
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2069.	Tennessee Clubtail	Gomphus sandrius	Insects	Tennessee
2070.	Tennessee Pebblesnail	Somatogyrus currierianus	Snails	Alabama
2071.	Tennessee Purple Coneflower	Echinacea tennesseensis	Plants	Tennessee
2072.	Tennessee Yellow-eyed Grass	Xyris tennesseensis	Plants	Alabama, Georgia, Tennessee
2073.	Terlingua Creek Cat's-eye	Cryptantha crassipes	Plants	Texas
2074.	Ternstroemia luquillensis	Ternstroemia luquillensis	Plants	Puerto Rico
2075.	Ternstroemia subsessilis	Ternstroemia subsessilis	Plants	Puerto Rico
2076.	Texas Ayenia	Ayenia limitaris	Plants	Mexico, Texas
2077.	Texas Blind Salamander	Typhlomolge rathbuni	Amphibians	Texas
2078.	Texas Emerald	Somatochlora margarita	Insects	Louisiana, Texas
2079.	Texas Heelsplitter	Potamilus amphichaenus	Clams	Louisiana, Oklahoma, Texas
2080.	Texas Hornshell	Popenaias popeii	Clams	Mexico (Coahuila), Texas
2081.	Texas Kangaroo Rat	Dipodomys elator	Mammals	Oklahoma, Texas
2082.	Texas Poppy-mallow	Callirhoe scabriuscula	Plants	Texas
2083.	Texas Prairie Dawn-flower	Hymenoxys texana	Plants	Texas
2084.	Texas Salamander	Eurycea neotenes	Amphibians	Texas
2085.	Styrax texanus	Styrax texanus	Plants	Texas
2086.	Texas Trailing Phlox	Phlox nivalis ssp. texensis	Plants	Texas
2087.	Texas Wild-rice	Zizania texana	Plants	Texas
2088.	Thick-billed Parrot	Rhynchopsitta pachyrhyncha	Birds	Arizona, Mexico, New Mexico
2089.	Thickshell Pondsnail	Stagnicola utahensis	Snails	Utah
2090.	Thin Leaf Lettuce Coral	Agaricia tenuifolia	Corals, Jellyfish, and Sea Anemones	Central America (including United States Territories), South America
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2091.	Thousand Palms Desert Snail	Eremarionta millepalmarum	Snails	California
2092.	Thread-Leaved Loosestrife	Lysimachia filifolia	Plants	Hawaii
2093.	Three Nerved Alsinidendron	Alsinidendron trinerve	Plants	Hawaii
2094.	Tiburon Jewelflower	Streptanthus niger	Plants	California
2095.	Tiburon Paintbrush	Castilleja affinis ssp. neglecta	Plants	California
2096.	Tidewater Goby	Eucyclogobius newberryi	Fishes	California
2097.	Tidewater Interstitial Amphipod	Stygobromus araeus	Crustaceans	North Carolina, Virginia
2098.	Tidewater Stygonectid Amphipod	Stygobromus identatus	Crustaceans	Maryland, North Carolina
2099.	Tight Coin	Ammonitella yatesii	Snails	California
2100.	Tinian Monarch	Monarcha takatsukasae	Birds	Northern Mariana Islands
2101.	Tobusch Fishhook Cactus	Ancistrocactus tobuschii	Plants	Texas
2102.	Todsen's Pennyroyal	Hedeoma todsenii	Plants	New Mexico
2103.	Tombigbee Riverlet Crayfish	Hobbseus petilus	Crustaceans	Mississippi
2104.	Tongue Coral	Ctenactis albitentaculata	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
2105.	Tonguefern	Elaphoglossum serpens	Plants	Puerto Rico
2106.	Tooth Cave Ground Beetle	Rhadine persephone	Insects	Texas
2107.	Tooth Cave Pseudoscorpion	Tartarocreagris texana	Arachnids	Texas
2108.	Tooth Cave Spider	Tayshaneta myopica	Arachnids	Texas
2109.	Toothless Blindcat	Trogloglanis pattersoni	Fishes	Texas
2110.	Topeka Shiner	Notropis topeka tristis	Fishes	Iowa, Kansas, Minnesota, Missouri, Nebraska, South Dakota
2111.	Torreya Pygmy Grasshopper	Tettigidea empedonepia	Insects	Florida
2112.	Towne's Clubtail	Stylurus townesi	Insects	Alabama, Florida, Mississippi, North Carolina, South Carolina, Tennessee
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2113.	Townsend's Big-eared Bat	Corynorhinus townsendii	Mammals	Arkansas, Kentucky, Missouri, North Carolina, Oklahoma, Virginia, West Virginia
2114.	Townsend's Ground Squirrel	Urocitellus townsendii	Mammals	Washington
2115.	Townsend's Shearwater	Puffinus auricularis	Birds	Guam, Mexico, Northern Mariana Islands, United States Minor Outlying Islands (Hawaii)
2116.	Transverse Grand Pyrg	Pyrgulopsis cruciglans	Snails	Nevada
2117.	Dubautia arborea	Dubautia arborea	Plants	Hawaii
2118.	Triangular Kidneyshell	Ptychobranchus greenii	Clams	Alabama, Georgia, Tennessee
2119.	Trichilia triacantha	Trichilia triacantha	Plants	Puerto Rico
2120.	Tricolored Blackbird	Agelaius tricolor	Birds	Mexico, United States (California)
2121.	Trindade Petrel	Pterodroma arminjoniana	Birds	Argentina, Brazil, Mauritius, Portugal, Puerto Rico
2122.	Trinity Bristle Snail	Monadenia setosa	Snails	California
2123.	Triple-ribbed Milk-vetch	Astragalus tricarinatus	Plants	California
2124.	Trispot Darter	Etheostoma trisella	Fishes	Alabama, Georgia, Tennessee
2125.	Tristram's Storm-petrel	Oceanodroma tristrami	Birds	Hawaii, Northern Mariana Islands
2126.	Trochomorpha apia	Trochomorpha apia	Snails	American Samoa
2127.	Tropical Lilythorn	Catesbaea melanocarpa	Plants	Puerto Rico, Virgin Islands
2128.	Tropidoptera heliciformis	Tropidoptera heliciformis	Snails	Hawaii
2129.	Tubercled Blossom Pearlymussel	Epioblasma torulosa	Clams	Alabama, Canada (Ontario), Illinois, Indiana, Kentucky, Michigan, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia
2130.	Tulotoma Snail	Tulotoma magnifica	Snails	Alabama
2131.	Turbinaria Coral	Turbinaria mesenterina	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
2132.	Turbinaria Coral	Turbinaria patula	Corals, Jellyfish, and Sea Anemones	Asia, Australia, North America (United States Territory), Oceanic
2133.	Turbinaria Coral	Turbinaria peltata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
2134.	Turbinaria Coral	Turbinaria reniformis	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Central America, Europe, Middle East, North America (United States Territory), Oceanic
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2135.	Turbinaria Coral	Turbinaria stellulata	Corals, Jellyfish, and Sea Anemones	Africa, American Samoa, Asia, Australia, Europe, Middle East, North America (United States Territory), Oceanic
2136.	Turgid Blossom Pearlymussel	Epioblasma turgidula	Clams	Tennessee
2137.	Turtlefat	Auerodendron pauciflorum	Plants	Puerto Rico
2138.	Tuscumbia Darter	Etheostoma tuscumbia	Fishes	Alabama
2139.	Twin-striped Clubtail	Gomphus geminatus	Insects	Alabama, Florida, Georgia
2140.	Twocleft Stenogyne	Stenogyne bifida	Plants	Hawaii
2141.	Unarmored Threespine Stickleback	Gasterosteus aculeatus williamsoni	Fishes	California
2142.	Uncompahgre Fritillary Butterfly	Boloria acrocnema	Insects	Colorado
2143.	Upland Combshell	Epioblasma metastriata	Clams	Alabama, Georgia, Tennessee
2144.	Upland Hornsnail	Pleurocera showalteri	Snails	Alabama, Georgia
2145.	Utah Physa	Physella utahensis	Snails	Colorado, Utah, Wyoming
2146.	Utah Prairie Dog	Cynomys parvidens	Mammals	Utah
2147.	Utah Valvata Snail	Valvata utahensis	Snails	Idaho
2148.	Valley Flame Crayfish	Cambarus deweesae	Crustaceans	Kentucky, Tennessee
2149.	Varicose Rocksnail	Lithasia verrucosa	Snails	United States
2150.	Ventura Marsh Milk-vetch	Astragalus pycnostachyus var. lanosissimus	Plants	California
2151.	Vermilion Darter	Etheostoma chermocki	Fishes	Alabama
2152.	Vernal Pool Fairy Shrimp	Branchinecta lynchi	Crustaceans	California, Oregon
2153.	Vernal Pool Tadpole Shrimp	Lepidurus packardi	Crustaceans	California
2154.	Vernonia proctorii	Vernonia proctorii	Plants	Puerto Rico
2155.	Vigna o-wahuensis	Vigna o-wahuensis	Plants	Hawaii
2156.	Villalba Robber Frog	Eleutherodactylus eneidae	Amphibians	Puerto Rico
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2157.	Vine Hill Clarkia	Clarkia imbricata	Plants	California
2158.	Violet	Viola chamissoniana ssp. chamissoniana	Plants	Hawaii
2159.	Violet	Viola helenae	Plants	Hawaii
2160.	Violet	Viola kauaiensis var. wahiawaensis	Plants	Hawaii
2161.	Violet	Viola lanaiensis	Plants	Hawaii
2162.	Violet	Viola oahuensis	Plants	Hawaii
2163.	Virgin Islands Robber Frog	Eleutherodactylus lentus	Amphibians	Virgin Islands
2164.	Virgin Islands Tree Boa	Epicrates monensis granti	Reptiles	Puerto Rico, Virgin Islands (British and US)
2165.	Virgin River Chub	Gila seminuda robusta	Fishes	Arizona, Nevada, Utah
2166.	Virginia Fringed Mountain Snail	Polygyriscus virginianus	Snails	Virginia
2167.	Virginia Pigtoe	Lexingtonia subplana	Clams	North Carolina, Tennessee, Virginia
2168.	Volcanoes Cave Cricket	Thaumatogryllus cavicola	Insects	Hawaii
2169.	Vortex Banded Mountain Snail	Oreohelix vortex	Snails	Idaho
2170.	Waccamaw Killifish	Fundulus waccamensis	Fishes	North Carolina
2171.	Waccamaw Silverside	Menidia extensa	Fishes	North Carolina
2172.	Waianae Range Alsinidendron	Alsinidendron obovatum	Plants	Hawaii
2173.	Waianae Range Blacksnakeroot	Sanicula mariversa	Plants	Hawaii
2174.	Waianae Range Hala Pepe	Pleomele forbesii	Plants	Hawaii
2175.	Waianae Range Starviolet	Hedyotis degeneri	Plants	Hawaii
2176.	Waianae Range Tetramolopium	Tetramolopium lepidotum ssp. lepidotum	Plants	Hawaii
2177.	Waioli Valley Maidenfern	Christella wailele	Plants	Hawaii
2178.	Walker's Manihot	Manihot walkerae	Plants	Mexico, Texas
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2179.	Walnut Elimia	Elimia bellula	Snails	Alabama
2180.	Wandering Salamander	Aneides vagrans	Amphibians	California, Canada (British Columbia)
2181.	Warner Sucker	Catostomus warnerensis	Fishes	Arizona, Nevada
2182.	Washington Ground Squirrel	Spermophilus washingtoni	Mammals	Oregon, Washington
2183.	Water-willow	Justicia cooleyi	Plants	Florida
2184.	Watercress Darter	Etheostoma nuchale	Fishes	Alabama
2185.	Wattle-necked Softshell Turtle	Palea steindachneri	Reptiles	China, Hawaii, Mauritius, Vietnam
2186.	Wawae'iole	Lycopodium nutans	Plants	Hawaii
2187.	Wekiwa Hydrobe	Aphaostracon monas	Snails	Florida
2188.	Wekiwa Siltsnail	Cincinnatia wekiwae	Snails	Florida
2189.	Weller's Salamander	Plethodon welleri	Amphibians	North Carolina, Tennessee, Virginia
2190.	Wengeror's Cave Amphipod	Stygobromus wengerorum	Crustaceans	California
2191.	West Indian Manatee	Trichechus manatus	Mammals	Caribbean Sea, South America, Southeastern USA
2192.	West Indian Walnut	Juglans jamaicensis	Plants	Cuba, Hispaniola, Puerto Rico
2193.	West Indian Whistling-duck	Dendrocygna arborea	Birds	Antigua, Bahamas, Barbuda, British Virgin Islands, Caymans, Cuba, Dominican Republic, Haiti, Jamaica, Puerto Rico, Saint Kitts and Nevis, Turks and Caicos Islands, Virgin Islands
2194.	West Virginia Spring Salamander	Gyrinophilus subterraneus	Amphibians	West Virginia
2195.	Western Fanshell Mussel	Cyprogenia aberti	Clams	Arkansas, Kansas, Missouri
2196.	Western Lily	Lilium occidentale	Plants	California, Oregon
2197.	Platanthera praeclara	Platanthera praeclara	Plants	Canada, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota
2198.	Westfall's Clubtail	Gomphus westfalli	Insects	Florida
2199.	Wet Rock Physa	Physella zionis	Snails	Utah
2200.	Whale Shark	Rhincodon typus	Fishes	Africa, American Samoa, Asia, Australia, Central America, Middle East, Oceanic, South America
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2201.	White Abalone	Haliotis sorenseni	Snails	North America (West Coast from Point Conception, CA, USA, to Punta Abreojos, Baja Californa, Mexico)
2202.	White Bladderpod	Lesquerella pallida	Plants	Texas
2203.	White Desert Snail	Eremarionta immaculata	Snails	California
2204.	White Irisette	Sisyrinchium dichotomum	Plants	North Carolina
2205.	White River Spinedace	Lepidomeda albivallis	Fishes	Nevada
2206.	White Sands Pupfish	Cyprinodon tularosa	Fishes	New Mexico
2207.	White Sturgeon	Acipenser transmontanus	Fishes	Canada (British Columbia), Idaho, Montana
2208.	White Wartyback Pearlymussel	Plethobasus cicatricosus	Clams	Alabama, Illinois, Indiana, Kentucky, Tennessee
2209.	White-crowned Pigeon	Patagioenas leucocephala	Birds	Central America, North America (including United States), South America
2210.	White-eared Pocket Mouse	Perognathus alticolus	Mammals	California
2211.	White-necked Crow	Corvus leucognaphalus	Birds	Dominican Republic, Haiti, Puerto Rico
2212.	White-necked Petrel	Pterodroma cervicalis	Birds	Asia, Australia, North America (including United States), Oceanic
2213.	White-rayed Pentachaeta	Pentachaeta bellidiflora	Plants	California
2214.	White-sided Jackrabbit	Lepus callotis	Mammals	Arizona, Mexico, New Mexico
2215.	White-spotted Salamander	Plethodon punctatus	Amphibians	Virginia, West Virginia
2216.	White-tailed Deer	Odocoileus virginianus	Mammals	Florida, Oregon and Washington (along the Columbian River)
2217.	White-throated Ground-dove	Gallicolumba xanthonura	Birds	Federated States of Micronesia, Guam, Northern Mariana Islands
2218.	White-throated Storm-petrel	Nesofregetta fuliginosa	Birds	American Samoa, Chile, Fiji, French Polynesia, Kiribati
2219.	Whooping Crane	Grus americana	Birds	Canada, Mexico, USA (Rocky Mountains east to Carolinas)
2220.	Wide-leaf Warea	Warea amplexifolia	Plants	Florida
2221.	Widemouth Blindcat	Satan eurystomus	Fishes	Texas
2222.	Wiebke's Beggarticks	Bidens wiebkei	Plants	Hawaii
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2223.	Wightman's Robber Frog	Eleutherodactylus wightmanae	Amphibians	Puerto Rico
2224.	Wild Goat	Capra aegagrus	Mammals	Armenia, Azerbaijan, Georgia, Iran, Pakistan, Russia, Turkey, Turkmenistan
2225.	Willowy Monardella	Monardella linoides ssp. viminea	Plants	California, Mexico
2226.	Winged Mapleleaf	Quadrula fragosa	Clams	Illinois, Indiana, Iowa, Kentucky, Minnesota, Missouri, Nebraska, Ohio
2227.	Wireweed	Polygonella basiramia	Plants	Florida
2228.	Wisconsin Well Amphipod	Stygobromus putealis	Crustaceans	Wisconsin
2229.	Wolverine	Gulo gulo	Mammals	Canada, China, Estonia, Finland, Mongolia, Norway, Russia, Sweden, United States
2230.	Wood River Sculpin	Cottus leiopomus	Fishes	Idaho
2231.	Wood Stork	Mycteria americana	Birds	Alabama, Florida, Georgia, South Carolina
2232.	Wood Turtle	Glyptemys insculpta	Reptiles	Canada, United States
2233.	Woodland Caribou	Rangifer tarandus caribou	Mammals	British Columbia, Idaho, Washington
2234.	Woodland Ma'oloa	Neraudia sericea	Plants	Hawaii
2235.	Woodville Cave Crayfish	Procambarus orcinus	Crustaceans	Florida
2236.	Woolly Meadowfoam	Limnanthes floccosa	Plants	California
2237.	Woundfin	Plagopterus argentissimus	Fishes	Nevada, Utah
2238.	Wreathed Cactus Snail	Xerarionta redimita	Snails	California
2239.	Wright Fishhook Cactus	Sclerocactus wrightiae	Plants	Utah
2240.	Wyoming Toad	Bufo baxteri hemiophrys	Amphibians	Wyoming
2241.	Xantus's Murrelet	Synthliboramphus hypoleucus	Birds	California, Canada, Mexico, Washington
2242.	Yadon's Piperia	Piperia yadonii	Plants	California
2243.	Yalobusha Riverlet Crayfish	Hobbseus yalobushensis	Crustaceans	Mississippi
2244.	Yap Flying Fox	Pteropus yapensis	Mammals	Federated States of Micronesia
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2245.	Yap Monarch	Monarcha godeffroyi	Birds	Federated States of Micronesia
2246.	Yap Olive White-eye	Zosterops oleagineus	Birds	Federated States of Micronesia
2247.	Yaqui Chub	Gila purpurea	Fishes	Arizona, New Mexico
2248.	Yaqui Sucker	Catostomus bernardini	Fishes	Arizona, Mexico
2249.	Yellow Blossom Pearlymussel	Epioblasma florentina	Clams	Alabama, Arkansas, Kentucky, Missouri, North Carolina, Tennessee, Virginia
2250.	Yellow Blotched Sawback	Graptemys flavimaculata	Reptiles	Mississippi
2251.	Yellow Lampmussel	Lampsilis cariosa	Clams	Canada (New Brunswick, Nova Scotia), United States
2252.	Yellow Larkspur	Delphinium luteum	Plants	California
2253.	Yellow-crowned Butterflyfish	Chaetodon flavocoronatus	Fishes	Guam
2254.	Yellow-shouldered Blackbird	Agelaius xanthomus	Birds	Puerto Rico
2255.	Yellow-sided Clubtail	Stylurus potulentus	Insects	Florida, Mississippi
2256.	Yellowcheek Darter	Etheostoma moorei	Fishes	Arkansas
2257.	Yellowfin Grouper	Mycteroperca venenosa	Fishes	Central America, North America (including United States), Oceanic, South America
2258.	Yellowfin Madtom	Noturus flavipinnis	Fishes	Georgia, Tennessee, Virginia
2259.	Yellowtail Flounder	Pleuronectes ferrugineus	Fishes	Canada, New York, Rhode Island
2260.	Yosemite Toad	Anaxyrus canorus	Amphibians	California
2261.	Yreka Phlox	Phlox hirsuta	Plants	California
2262.	Yuman Desert Fringe-toed Lizard	Uma rufopunctata	Reptiles	Arizona, Mexico
2263.	Zamia portoricensis	Zamia portoricensis	Plants	Puerto Rico
2264.	Zanthoxylum dipetalum var. tomentosum	Zanthoxylum dipetalum var. tomentosum	Plants	Hawaii
2265.	Zanthoxylum hawaiiense	Zanthoxylum hawaiiense	Plants	Hawaii
2266.	Zanthoxylum thomasianum	Zanthoxylum thomasianum	Plants	Puerto Rico, Virgin Islands
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2267.	Zapata Bladderpod	Lesquerella thamnophila	Plants	Texas
2268.	Zayante Band-winged Grasshopper	Trimerotropis infantilis	Insects	California
2269.	Zerene Fritillary	Speyeria zerene	Insects	California