Montana
Snakes in Richland County
5 species have been documented here, 1 of them venomous.
Venomous snakes in Richland 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 Richland County

North American Racer
Coluber constrictor
Harmless

Plains Garter Snake
Thamnophis radix
Harmless

Prairie Rattlesnake
Crotalus viridis
Venomous

Common Garter Snake
Thamnophis sirtalis
Harmless

Gopher Snake
Pituophis catenifer
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Richland County: FAQ
- Are there venomous snakes in Richland County, Montana?
- Yes. 1 venomous snake species has verified records in Richland County, Montana, including Prairie Rattlesnake. Most snakes in Richland County, Montana, however, are harmless.
- How many snake species live in Richland County, Montana?
- 5 snake species have verified records in Richland County, Montana, of which 1 is venomous.
- What is the most commonly seen snake in Richland County, Montana?
- The North American Racer is the most frequently reported snake in Richland County, Montana, based on verified wildlife observations.
- What should I do if I see a venomous snake in Richland 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.