Wyoming
Snakes in Fremont County
4 species have been documented here, 1 of them venomous.
Venomous snakes in Fremont 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 Fremont County
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
Gopher Snake
Pituophis catenifer
Harmless
North American Racer
Coluber constrictor
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Fremont County: FAQ
- Are there venomous snakes in Fremont County, Wyoming?
- Yes. 1 venomous snake species has verified records in Fremont County, Wyoming, including Prairie Rattlesnake. Most snakes in Fremont County, Wyoming, however, are harmless.
- How many snake species live in Fremont County, Wyoming?
- 4 snake species have verified records in Fremont County, Wyoming, of which 1 is venomous.
- What is the most commonly seen snake in Fremont County, Wyoming?
- The Western Terrestrial Garter Snake is the most frequently reported snake in Fremont County, Wyoming, based on verified wildlife observations.
- What should I do if I see a venomous snake in Fremont 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.