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

Prairie Rattlesnake
Crotalus viridis
Venomous

Plains Garter Snake
Thamnophis radix
Harmless

Gopher Snake
Pituophis catenifer
Harmless

North American Racer
Coluber constrictor
Harmless

Eastern Milksnake
Lampropeltis triangulum
Harmless

Common Garter Snake
Thamnophis sirtalis
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

Western Milksnake
Lampropeltis gentilis
Harmless

Plains Hognose Snake
Heterodon nasicus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.