Wyoming
Snakes in Washakie County
6 species have been documented here, 1 of them venomous.
Venomous snakes in Washakie 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 Washakie County

Western Terrestrial Garter Snake
Thamnophis elegans
Harmless

Gopher Snake
Pituophis catenifer
Harmless

Prairie Rattlesnake
Crotalus viridis
Venomous

North American Racer
Coluber constrictor
Harmless

Eastern Milksnake
Lampropeltis triangulum
Harmless

Northern Rubber Boa
Charina bottae
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Washakie County: FAQ
- Are there venomous snakes in Washakie County, Wyoming?
- Yes. 1 venomous snake species has verified records in Washakie County, Wyoming, including Prairie Rattlesnake. Most snakes in Washakie County, Wyoming, however, are harmless.
- How many snake species live in Washakie County, Wyoming?
- 6 snake species have verified records in Washakie County, Wyoming, of which 1 is venomous.
- What is the most commonly seen snake in Washakie County, Wyoming?
- The Western Terrestrial Garter Snake is the most frequently reported snake in Washakie County, Wyoming, based on verified wildlife observations.
- What should I do if I see a venomous snake in Washakie 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.