Colorado Parks & Wildlife logo Colorado Parks & Wildlife logo

Filter results

264 results
brook trout illustration by Joseph R. Tomelleri.

invasive

Brook Trout

Fish - Salvelinus fontinalis

View Profile
brown bullhead illustration by Joseph R. Tomelleri

invasive

Brown Bullhead Catfish

Fish - Ameiurus nebulosus

View Profile
Burrowing owl, USFWS, PD

invasive

State Threatened

Burrowing Owl

Bird - Athene cuniculalria

View Profile
California Kingsnake. NPS.

invasive

California Kingsnake

Reptile - Lampropeltis californiae

View Profile
California myotis, USGS, Western Ecological Research Center

invasive

California Myotis

Mammal - Myotis californicus

View Profile
This species needs a photo.

invasive

Causey’s Crayfish

Crustacean - Orconectes causeyi

View Profile
Chihuahuan Nightsnake. Mike Swink/NPS.

invasive

Chihuahuan Nightsnake and Desert Nightsnake

Reptile - Hypsiglena jani and Hypsiglena chlorophaea

View Profile