Snakes in Asotin 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 Asotin County

Western Rattlesnake

Crotalus oreganus

▲ Venomous

Gopher Snake

Pituophis catenifer

Harmless

Western Terrestrial Garter Snake

Thamnophis elegans

Harmless

North American Racer

Coluber constrictor

Harmless

Prairie Rattlesnake

Crotalus viridis

▲ Venomous

Common Garter Snake

Thamnophis sirtalis

Harmless

Northern Rubber Boa

Charina bottae

Harmless

Northwestern Garter Snake

Thamnophis ordinoides

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Asotin County: FAQ

Are there venomous snakes in Asotin County, Washington?

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

How many snake species live in Asotin County, Washington?

8 snake species have verified records in Asotin County, Washington, of which 2 are venomous.

What is the most commonly seen snake in Asotin County, Washington?

The Western Rattlesnake is the most frequently reported snake in Asotin County, Washington, based on verified wildlife observations.

What should I do if I see a venomous snake in Asotin County, Washington?

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.

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