Thanksgiving and Day After Office Closures -

Colorado Parks and Wildlife offices, including park visitor centers, will be closed on Thursday, November 28, and Friday, November 29. No park pass is required to enter any state park on Friday November 29th for Fresh Air Friday

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Black bear, Wayne D. Lewis

invasive

Black Bear

Mammal - Ursus americanus

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black bullhead illustration by Joseph R. Tomelleri.

invasive

Black Bullhead Catfish

Fish - Ameiurus melas

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black crappie illustration by Joseph R. Tomelleri.

invasive

Black Crappie

Fish - Pomoxis nigromaculatus

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Black-billed Cuckoo. Fyn Kynd CC BY 2.0

invasive

Black-Billed Cuckoo

Bird - Coccyzus erythropthalmus

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invasive

Black-capped Chickadee

Bird - Poecile atricapillus

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Black Footed Ferret. Ryan Jones/CPW

invasive

Federally Endangered, State Endangered

Black-Footed Ferret

Mammal - Mustela nigripes

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Black-necked garter snake, NPS

invasive

Black-necked Garter Snake

Reptile - Thamnophis cyrtopsis

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Black-tailed Jackrabbit, Wayne D. Lewis

invasive

Black-Tailed Jackrabbit

Mammal - Lepus californicus

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blue catfish illustration by Joseph R. Tomelleri.

invasive

Blue Catfish

Fish - Ictalurus furcatus

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bluegill illustration by Joseph R. Tomelleri.

invasive

Bluegill

Fish - Lepomis macrochirus

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Bobcat, Anela Ramos Kopshever/NPS

invasive

Bobcat

Mammal - Lynx rufus

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bonytail chub illustration by Joseph R. Tomelleri.

invasive

Federally Endangered, State Endangered

Bonytail Chub

Fish - Gila elegans

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Boreal chorus frog, Tom Koerner, FWS

invasive

Boreal Chorus Frog

Amphibian - Pseudacris maculata

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invasive

State Endangered

Boreal Toad

Amphibian - Bufo boreas boreas, Bufo boreas complex

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Brassy Minnow illustration By Ellen Edmondson And Hugh Crisp

invasive

State Threatened

Brassy Minnow

Fish - Hybognathus hankinsoni

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