There are six reptile species in Yellowstone.
Bullsnakes are often mistaken for rattlesnakes because of their appearance and behavior.
Prairie rattlesnakes are the only dangerously venomous snakes in Yellowstone.
The sagebrush lizard is the only lizard in Yellowstone.
Common gartersnakes are only found in southern parts of the park.
Terrestrial gartersnakes are the most common reptile in Yellowstone.
Last updated: June 14, 2017
PO Box 168
Yellowstone National Park, WY