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Checkered whiptail lizard, Wayne D. Lewis

invasive

Colorado Checkered Whiptail

Reptile - Aspidoscelis neotesselatus

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Colorado pikeminnow illustration by Joseph R. Tomelleri.

invasive

Federally Endangered, State Threatened

Colorado Pikeminnow

Fish - Ptychocheilus Lucius

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Colorado River cutthroat illustration by Joseph R. Tomelleri.

invasive

State Special Concern

Colorado River Cutthroat Trout

Fish - Oncorhynchus clarkii pleuriticus

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Lesser Prairie-Chicken, Ryan Hagerty, USFWS, PD

invasive

State Special Concern

Columbian Sharp-Tailed Grouse

Bird - Tympanuchus phasianellus columbianus

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Checkered whiptail lizard, Wayne D. Lewis

invasive

Common Checkered Whiptail

Reptile - Aspidoscelis tesselata

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invasive

State Special Concern

Common Garter Snake

Reptile - Thamnophis sirtalis

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Common Lesser Earless Lizard, Dustin Doskocil, CPW

invasive

Common Lesser Earless Lizard

Reptile - Holbrookia maculata

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Sagebrush Lizard, NPS

invasive

Common Sagebrush Lizard

Reptile - Sceloporous graciosus

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Common Side-Blotched Lizard, NPS

invasive

Common Side-Blotched Lizard

Reptile - Uta stansburiana

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Couch's Spadefoot Toad. Copyright 2003 James Borgmeyer/NPS

invasive

State Special Concern

Couch's Spadefoot

Amphibian - Scaphiopus couchii

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