Oregon
Snakes in Benton County
11 species have been documented here, 2 of them venomous.
Venomous snakes in Benton County
Full guide & what to do if bitten →
Western RattlesnakeCrotalus oreganusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Prairie RattlesnakeCrotalus viridisVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Benton County
Common Garter Snake
Thamnophis sirtalis
Harmless
Northwestern Garter Snake
Thamnophis ordinoides
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Northern Rubber Boa
Charina bottae
Harmless
North American Racer
Coluber constrictor
Harmless
Common Sharp-tailed Snake
Contia tenuis
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Pine Snake
Pituophis melanoleucus
Harmless
Western Rattlesnake
Crotalus oreganus
Venomous
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Benton County: FAQ
- Are there venomous snakes in Benton County, Oregon?
- Yes. 2 venomous snake species have verified records in Benton County, Oregon, including Western Rattlesnake, Prairie Rattlesnake. Most snakes in Benton County, Oregon, however, are harmless.
- How many snake species live in Benton County, Oregon?
- 11 snake species have verified records in Benton County, Oregon, of which 2 are venomous.
- What is the most commonly seen snake in Benton County, Oregon?
- The Common Garter Snake is the most frequently reported snake in Benton County, Oregon, based on verified wildlife observations.
- What should I do if I see a venomous snake in Benton County, Oregon?
- 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.