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
Rio Grande cutthroat illustration by Joseph R. Tomelleri.

invasive

State Special Concern

Rio Grande Cutthroat Trout

Fish - Oncorhynchus clarkii virginalis

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River otter eating a fish

invasive

State Threatened

River Otter

Mammal - Lontra canadensis

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Rocky Mountain Bighorn Sheep. Mike Delliveneri/CPW

invasive

Rocky Mountain Bighorn Sheep

Mammal - Ovis canadensis

This species needs a photo.

invasive

State Special Concern

Rocky Mountain Capshell

Mollusk - Acroloxus coloradensis

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Roundtail Horned Lizard, Patrick Alexander, CC0

invasive

Round-tailed Horned Lizard

Reptile - Phrynosoma modestum

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Rubber Boa, NPS.

invasive

Rubber Boa

Reptile - Charina bottae

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Rusty Crayfish, Peter Pearsall, FWS

invasive

Rusty Crayfish

Crustacean - Orconectes rusticus

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Sacramento perch illustration by Joseph R. Tomelleri.

invasive

Sacramento Perch

Fish - Archoplites interruptus

Sandhill Cranes, Wayne D. Lewis

invasive

State Special Concern

Sandhill Crane

Bird - Grus canadensis

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Sauger illustration by Joseph R. Tomelleri.

invasive

Sauger

Fish - Sander canadensis

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Saugeye illustration by Joseph R. Tomelleri.

invasive

Saugeye

Fish -

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This species needs a photo.

invasive

Sharp Sprite

Mollusk - Promenetus exacuous

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Silver Haired Bat, Virginia State Parks

invasive

Silver-haired Bat

Mammal - Lasionycteris noctivagans

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Six-lined Racerunner, Tony Hober, CPW

invasive

Six-lined Racerunner

Reptile - Aspidoscelis (Cnemidophorus) sexlineata

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