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265 results
American bullfrog. USFWS.

invasive

American Bullfrog

Amphibian - Rana catesbeiana

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invasive

American Eel

Fish - Anguilla rostrata

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Peregrine falcon. Public domain.

invasive

State Special Concern

American Peregrine Falcon

Bird - Falco peregrinus anatum

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Pika, Janine Waller, NPS.

invasive

State Special Concern

American Pika

Mammal - Ochotona princeps

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Arctic Char illustration by Joseph R. Tomelleri.

invasive

Arctic Char

Fish - Salvelinus alpinus

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Arkansas darter illustration by Joseph R. Tomelleri.

invasive

State Threatened

Arkansas Darter

Fish - Etheostoma Cragini

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Ash Gyro, NPS

invasive

Ash Gyro

Mollusk - Gyraulus parvus

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invasive

Badger

Mammal - Taxidea taxus

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invasive

State Special Concern

Bald Eagle

Bird - Haliaeetus leucocephalus

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Band-tailed Pigeon, Todd Sanders, USFWS, PD.

invasive

Band-tailed Pigeon

Bird - Columba fasciata

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Barred tiger salamander. Jacob W Frank/NPS

invasive

Barred Tiger Salamander

Amphibian - Ambystoma mavortium

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Rick McMeehan/NPS

invasive

Beaver

Mammal - Castor canadensis

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Big brown bat, Ann Froschauer, USFWS, PD

invasive

Big Brown Bat

Mammal - Eptesicus fuscus

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Big free-tailed bat, NPS

invasive

Big Free-Tailed Bat

Mammal - Nyctinomops macrotis

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A cow bison with a young calf standing in a field.

invasive

Bison

Mammal - Bison bison

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