Sagebrush Lizard

A spiny lizard nearly blends in with gravel and pine needles on ground
The sagebrush lizard is one of six reptile species found in the park.

NPS

 
 
A white and tan striped snake with black dots on a rock

Terrestrial Gartersnake

Terrestrial gartersnakes are the most common reptile in Yellowstone.

A tan and black snake on a rocky surface

Bullsnake

Bullsnakes are often mistaken for rattlesnakes because of their appearance and behavior.

A tan and brown spotted snake with rattler in a coil

Prairie Rattlesnake

Prairie rattlesnakes are the only dangerously venomous snakes in Yellowstone.

A dark gray, tan, and white striped lizard with small spikes on gravel

Sagebrush Lizard

The sagebrush lizard is the only lizard in Yellowstone.

A black and white snake on dead grass

Common Gartersnake

Common gartersnakes are only found in southern parts of the park.

The head of a brown spotted snake among grass

Reptiles

There are six reptile species in Yellowstone.

Last updated: September 12, 2019

Contact the Park

Mailing Address:

PO Box 168
Yellowstone National Park, WY 82190-0168

Phone:

307-344-7381

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