Federal: Endangered CO State: Endangered
Black-footed Ferret
Mustela nigripes
mammal shortgrass prairie
Colorado Conservation
Know What's at Stake
in Colorado's Wilderness
An authoritative, ad-free public education resource for every threatened and endangered animal species in Colorado — built by a Colorado native with no commercial motive.
Colorado's Listed Species
As documented in this database
9
Federally Endangered
16
Federally Threatened
0
Federal Candidates
20
State Listed (CO)
Featured Species
View all →
Federal: Endangered CO State: Endangered
Colorado Pikeminnow
Ptychocheilus lucius
fish Colorado River mainstem
Why This Site Exists
Colorado is home to dozens of species on the edge — animals whose survival depends on habitat we can still protect, policy we can still influence, and public awareness we can still build.
This is a free, non-commercial resource. No sponsored content, no advertising, no agenda beyond accurate information. Species data is drawn from USFWS ECOS, Colorado Parks & Wildlife, and NatureServe — the authoritative sources.
About this site and its authorExplore & Get Involved
Species Index
Browse and filter all documented threatened and endangered species in Colorado.
Colorado Habitats
Explore the 8 ecoregions where these species live and the pressures they face.
Conservation in Action
Learn about active recovery programs and what you can do to help.
Report a Sighting
Spotted something rare? Share your observation — it helps researchers.