Rubber Boa

A snake next to a person's hand on gravel
The rubber boa is one of six reptile species and the largest species found in the park.

NPS

 

Scientific Name

Charina bottae

Identification

  • Infrequently encountered in Yellowstone, perhaps due to its nocturnal and burrowing habits.
  • One of two species of snakes in the United States related to tropical boa constrictors and pythons.
  • Maximum length of 24 inches.
  • Back is gray or greenish-brown, belly is lemon yellow; scales are small and smooth, making it almost velvety to the touch.

Habitat and Behavior

  • Eats rodents.
  • May spend a great deal of time partially buried under leaves and soil, and in rodent burrows.
  • Usually found in rocky areas near streams or rivers, with shrubs or trees nearby.
  • Recent sightings have occurred in the Bechler region and Gibbon Meadows.
 

Contact the Park

Mailing Address:

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

Phone:

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

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