Wyoming
Snakes in Park County
4 species have been documented here, 1 of them venomous.
Venomous snakes in Park County
Full guide & what to do if bitten →
Prairie RattlesnakeCrotalus viridisVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Park County
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
Common Garter Snake
Thamnophis sirtalis
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Park County: FAQ
- Are there venomous snakes in Park County, Wyoming?
- Yes. 1 venomous snake species has verified records in Park County, Wyoming, including Prairie Rattlesnake. Most snakes in Park County, Wyoming, however, are harmless.
- How many snake species live in Park County, Wyoming?
- 4 snake species have verified records in Park County, Wyoming, of which 1 is venomous.
- What is the most commonly seen snake in Park County, Wyoming?
- The Western Terrestrial Garter Snake is the most frequently reported snake in Park County, Wyoming, based on verified wildlife observations.
- What should I do if I see a venomous snake in Park County, Wyoming?
- Keep your distance and do not try to catch or kill it. Most bites happen when people handle or corner a snake. If someone is bitten, contact local emergency services or poison control immediately.