Featured Species
The Colorado Ecological Services Field Offices are responsible for the 40+ species that are federally listed as threatened or endangered,
or are under review for listing, throughout the state. The links below will direct you to national pages about our federally-listed species in Colorado. You can explore species lists and habitat occupancy with .
Birds
- eastern black rail
- Gunnison sage-grouse
- lesser prairie-chicken
- Mexican spotted owl
- piping plover
- southwestern willow flycatcher
- whooping crane
- yellow-billed cuckoo
Fish
- bonytail
- Colorado pikeminnow
- greenback cutthroat trout
- humpback chub
- pallid sturgeon
- razorback sucker
- Rio Grande cutthroat trout
Invertebrates
- Pawnee montane skipper
- Uncompahgre fritillary butterfly
- monarch butterfly
- Regal Fritillary
- western bumble bee
- Suckley's cuckoo bumble bee
Mammals
- black-footed ferret
- Canada lynx
- gray wolf
- New Mexico meadow jumping mouse
- North American wolverine
- Preble's meadow jumping mouse
- tri-colored bat
Plants
- Brandegee's buckwheat
- clay-loving wild buckwheat
- Colorado hookless cactus
- DeBeque phacelia
- Dudley Bluffs bladderpod
- Dudley Bluffs twinpod
- Knowlton's cactus
- Mesa Verde cactus
- Mosquito Range mustard
- North Park phacelia
- Osterhout milkvetch
- Pagosa skyrocket
- Parachute beardtongue
- Penland beardtongue
- Ute ladies'-tresses orchid
- western prairie fringed orchid