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