Snakes in Stanley County

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  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 Stanley County

Prairie Rattlesnake

Crotalus viridis

▲ Venomous

Plains Garter Snake

Thamnophis radix

Harmless

North American Racer

Coluber constrictor

Harmless

Gopher Snake

Pituophis catenifer

Harmless

Eastern Milksnake

Lampropeltis triangulum

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Stanley County: FAQ

Are there venomous snakes in Stanley County, South Dakota?

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

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

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

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

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

What should I do if I see a venomous snake in Stanley 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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