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Western Chorus Frog, NPS.

invasive

Western Chorus Frog

Amphibian - Pseudacris triseriata

Western Groundsnake, Matt Berger, CC BY 4.0.

invasive

Western Ground Snake

Reptile - Sonora semiannulata

Western Hognose Snake, NPS.

invasive

Western Hognose Snake

Reptile - Heterodon nasicus

Western small footed myotis, NPS

invasive

Western Small-Footed Myotis

Mammal - Myotis ciliolabrum

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Western Narrow-Mouthed Toad, William L. Farr, CC BY-SA 4.0

invasive

State Special Concern

Western/Great Plains Narrow-mouthed Toad

Amphibian - Gastrophryne olivacea

White-footed Mouse, NPS.

invasive

White-Footed Mice

Mammal - Genus Peromyscus

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Whitetail Buck Doe, CPW.

invasive

White-Tailed Deer

Mammal - Odocoileus virginianus

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Whitetail jackrabbit, WL Miller, NPS

invasive

White-Tailed Jackrabbit

Mammal - Lepus townsendii

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Whooping cranes, Ryan Hagerty, USFWS, PD

invasive

Federally Endangered, State Endangered

Whooping Crane

Bird - Grus americana

Wolverine, NPS, Public Domain

invasive

Federally Threatened, State Endangered

Wolverine

Mammal - Gulo gulo

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Wood Frog, NPS

invasive

State Special Concern

Wood Frog

Amphibian - Rana sylvatica/Lithobates sylvaticus