Hawk soaring through the sky.

Bird Research

​​The Colorado Parks and Wildlife Avian Research Section conducts applied research on the ecology and management of birds and their habitats around the state. This applied research helps enhance wildlife conservation by answering key public questions about the species.

Hawk soaring through the sky.

Bird Research

​​The Colorado Parks and Wildlife Avian Research Section conducts applied research on the ecology and management of birds and their habitats around the state. This applied research helps enhance wildlife conservation by answering key public questions about the species.

Species Profile List

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

invasive

Brazilian Free-Tailed Bat

Mammal - Tadarida brasiliensis

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brook trout illustration by Joseph R. Tomelleri.

invasive

Brook Trout

Fish - Salvelinus fontinalis

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brown bullhead illustration by Joseph R. Tomelleri

invasive

Brown Bullhead Catfish

Fish - Ameiurus nebulosus

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Brown Creeper. USFWS.

invasive

Brown Creeper

Bird - Certhia americana

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brown trout illustration by Joseph R. Tomelleri.

invasive

Brown Trout

Fish - Salmo trutta

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Brown-headed cowbird, Mike Carlo, USFWS, PD

invasive

Brown-headed Cowbird

Bird - Molothrus Ater

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Burrowing owl looking at photographer while sitting on burrow, United States Fish and Wildlife Service, Public Domain

invasive

State Threatened

Burrowing Owl

Bird - Athene cuniculalria

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California Kingsnake. NPS.

invasive

California Kingsnake

Reptile - Lampropeltis californiae

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California myotis, USGS, Western Ecological Research Center

invasive

California Myotis

Mammal - Myotis californicus

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invasive

Canada Goose

Bird - Branta canadensis

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invasive

Canyon Bat

Mammal - Parastrellus hesperus

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Canyon Treefrog. Caitlin Ceci/NPS

invasive

Canyon Treefrog

Amphibian - Hyla arenicolor

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This species needs a photo.

invasive

Causey’s Crayfish

Crustacean - Orconectes causeyi

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Channel catfish illustration by Joseph R. Tomelleri.

invasive

Channel Catfish

Fish - Ictalurus punctatus

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Chihuahuan Nightsnake. Mike Swink/NPS.

invasive

Chihuahuan Nightsnake and Desert Nightsnake

Reptile - Hypsiglena jani and Hypsiglena chlorophaea

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