Yellowstone's abundant and diverse wildlife are as famous as its geysers. There are 67 species of mammals including 7 species of native ungulates and 2 species of bears, nearly 300 species of birds, 16 species of fish, 5 species of amphibians, and 5 species of reptiles.

A Columbia Spotted Frog rests on a branch.

Yellowstone has five species of amphibians: blotched tiger salamander, boreal chorus frog, boreal toad, Columbia spotted frog, and spadefoot toad.

An eagle perches on the snow while eating a trout.

Approximately 150 species of birds nest in Yellowstone.

Underwater image of three cutthroat trout.

Fish and Aquatic Species
Yellowstone's native fish have underpinned natural food webs, have great significance to local economies, and are culturally significant.

A coyote with a mouth full of prey.

Yellowstone is home to the largest concentration of mammals in the lower 48 states.

A wandering garter snake peeks out of the grass.

Yellowstone is home to six reptile species.

Contact the Park

Mailing Address:

P.O. Box 168
Yellowstone National Park, WY 82190-0168


(307) 344-7381
Recorded information. For road and weather information, please dial 307-344-2117.

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