Snakes in Twin Falls County

• 
  Western Rattlesnake

  Crotalus oreganus

  ▲ Venomous

  Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.

• 
  Prairie Rattlesnake

  Crotalus viridis

  ▲ Venomous

  Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.

Every snake recorded in Twin Falls County

Gopher Snake

Pituophis catenifer

Harmless

Western Terrestrial Garter Snake

Thamnophis elegans

Harmless

North American Racer

Coluber constrictor

Harmless

Western Rattlesnake

Crotalus oreganus

▲ Venomous

Prairie Rattlesnake

Crotalus viridis

▲ Venomous

Striped Whipsnake

Masticophis taeniatus

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Twin Falls County: FAQ

Are there venomous snakes in Twin Falls County, Idaho?

Yes. 2 venomous snake species have verified records in Twin Falls County, Idaho, including Western Rattlesnake, Prairie Rattlesnake. Most snakes in Twin Falls County, Idaho, however, are harmless.

How many snake species live in Twin Falls County, Idaho?

6 snake species have verified records in Twin Falls County, Idaho, of which 2 are venomous.

What is the most commonly seen snake in Twin Falls County, Idaho?

The Gopher Snake is the most frequently reported snake in Twin Falls County, Idaho, based on verified wildlife observations.

What should I do if I see a venomous snake in Twin Falls County, Idaho?

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.

Nearby counties