Earth's Endangered Creatures - endangered species in Colorado

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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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Note/Disclaimer: This list is made possible through a database keyword search/filtering process which may not be 100% accurate. Therefore, all endangered species of Colorado may not be listed here. For a complete list of endangered species in North America, browse the North America endangered species list or see the complete United States List.

Endangered species found in Colorado:

	Species Name	Scientific Name	Group	Range
1.	Bonytail Chub	Gila elegans	Fishes	Arizona, California, Colorado, Nevada, Utah, Wyoming
2.	Cassin's Finch	Carpodacus cassinii	Birds	Canada, Mexico, United States
3.	Chestnut-collared Longspur	Calcarius ornatus	Birds	North America (including United States)
4.	Clay-loving Wild-buckwheat	Eriogonum pelinophilum	Plants	Colorado
5.	Colorado Checkered Whiptail	Aspidoscelis neotesselata	Reptiles	Colorado
6.	Colorado Pikeminnow	Ptychocheilus lucius	Fishes	Arizona, California, Colorado, Mexico, Nevada, New Mexico, Utah, Wyoming
7.	Gray Wolf	Canis lupus	Mammals	Mexico, United States
8.	Greater Sage-grouse	Centrocercus urophasianus	Birds	Canada, United States
9.	Gunnison Sage Grouse	Centrocercus minimus	Birds	Colorado, Utah
10.	Humpback Chub	Gila cypha	Fishes	Arizona, Colorado, Utah, Wyoming
11.	Knowlton Cactus	Pediocactus knowltonii	Plants	Colorado, New Mexico
12.	Mancos Milk-vetch	Astragalus humillimus	Plants	Colorado, New Mexico
13.	Mountain Plover	Charadrius montanus	Birds	Canada, Mexico, United States
14.	North Park Phacelia	Phacelia formosula	Plants	Colorado
15.	Olive-sided Flycatcher	Contopus cooperi	Birds	Central and South America, North America (including United States)
16.	Osterhout Milk-vetch	Astragalus osterhoutii	Plants	Colorado
17.	Penland Beardtongue	Penstemon penlandii	Plants	Colorado
18.	Razorback Sucker	Xyrauchen texanus	Fishes	Arizona, California, Colorado, Mexico, Nevada, New Mexico, Utah, Wyoming
19.	Rocky Mountain Capshell	Acroloxus coloradensis	Snails	Canada, United States
20.	Southwestern Willow Flycatcher	Empidonax traillii extimus	Birds	Arizona, California, Colorado, Mexico, New Mexico, Texas, Utah
21.	Uncompahgre Fritillary Butterfly	Boloria acrocnema	Insects	Colorado
22.	Whooping Crane	Grus americana	Birds	Canada, Mexico, USA (Rocky Mountains east to Carolinas)