Office & Parks Winter Weather Closures

Due to expected extreme weather conditions, Denver Colorado Parks and Wildlife Headquarters (including the Call Center), Northeast Region and Littleton Offices, are closing at noon Friday, Nov. 8. Castlewood Canyon State Park is closed. Cherry Creek, Chatfield and Barr Lake Park visitor centers are closed.

Veteran's Day Office Closures

Colorado Parks and Wildlife offices, including park visitor centers, will be closed for the state holiday, Monday, Nov. 11.

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265 results
Brazilian free-tailed bat, BT Hamilton, NPS

invasive

Brazilian Free-Tailed Bat

Mammal - Tadarida brasiliensis

brown bullhead illustration by Joseph R. Tomelleri

invasive

Brown Bullhead Catfish

Fish - Ameiurus nebulosus

Burrowing owl, USFWS, PD

invasive

State Threatened

Burrowing Owl

Bird - Athene cuniculalria

California Kingsnake. NPS.

invasive

California Kingsnake

Reptile - Lampropeltis californiae

California myotis, USGS, Western Ecological Research Center

invasive

California Myotis

Mammal - Myotis californicus

This species needs a photo.

invasive

Causey’s Crayfish

Crustacean - Orconectes causeyi

Chihuahuan Nightsnake. Mike Swink/NPS.

invasive

Chihuahuan Nightsnake and Desert Nightsnake

Reptile - Hypsiglena jani and Hypsiglena chlorophaea