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.


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

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

There are six reptile species in Yellowstone.

Last updated: July 21, 2020

Park footer

Contact Info

Mailing Address:

PO Box 168
Yellowstone National Park, WY 82190-0168



Contact Us