Snakes in Corson County

• 
  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 Corson County

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 Corson County: FAQ

Are there venomous snakes in Corson County, South Dakota?

Yes. 1 venomous snake species has verified records in Corson County, South Dakota, including Prairie Rattlesnake. Most snakes in Corson County, South Dakota, however, are harmless.

How many snake species live in Corson County, South Dakota?

3 snake species have verified records in Corson County, South Dakota, of which 1 is venomous.

What is the most commonly seen snake in Corson County, South Dakota?

The Prairie Rattlesnake is the most frequently reported snake in Corson County, South Dakota, based on verified wildlife observations.

What should I do if I see a venomous snake in Corson 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.

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