South Dakota
Snakes in Perkins County
4 species have been documented here, 1 of them venomous.
Venomous snakes in Perkins 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 Perkins County

North American Racer
Coluber constrictor
Harmless

Prairie Rattlesnake
Crotalus viridis
Venomous

Gopher Snake
Pituophis catenifer
Harmless

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