Threatened Colorado
North American wolverine in alpine terrain, showing the stocky dark brown body, pale facial markings, and bushy tail characteristic of the largest terrestrial mustelid

Featured species

North American Wolverine

Gulo gulo luscus

Federal: Threatened Mammal

Colorado has released a formal plan to bring wolverines home. After a century of absence, 45 animals are slated for reintroduction into the high country.

Read the full story

Photo: USFWS — Public Domain

31

Species profiled

9

Federally endangered

16

Federally threatened

18

Critical habitat designated

Also at risk

Browse all 31 species →
Featured
Federal: Endangered CO State: Endangered

Black-footed Ferret

Mustela nigripes

mammal shortgrass prairie
Featured
Federal: Endangered CO State: Endangered

Bonytail Chub

Gila elegans

fish Colorado River mainstem

Our purpose

Colorado's threatened and endangered species deserve more than agency reports and status tables. They deserve to be understood.

Threatened Colorado is a free, ad-free public education resource built by a Colorado native. No commercial motive. No funder with an agenda. Just the science, the stories, and the stakes.

Explore and get involved

Species index

Browse all 31 profiled species by class, status, or habitat.

Habitats

Explore Colorado's 8 ecoregions and the species that depend on each.

Conservation

Active recovery programs, agencies, and ways to get involved.

Report a sighting

Document a threatened species encounter with Colorado Parks and Wildlife.