Oklahoma
Snakes in Custer County
21 species have been documented here, 2 of them venomous.
Venomous snakes in Custer 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.
Western MassasaugaSistrurus tergeminusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Every snake recorded in Custer County
Gopher Snake
Pituophis catenifer
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Common Coachwhip
Masticophis flagellum
Harmless
Plains Hognose Snake
Heterodon nasicus
Harmless
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
North American Racer
Coluber constrictor
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Prairie Kingsnake
Lampropeltis calligaster
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Diamondback Watersnake
Nerodia rhombifer
Harmless
Great Plains Ratsnake
Pantherophis emoryi
Harmless
Glossy Snake
Arizona elegans
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
Speckled Kingsnake
Lampropeltis holbrooki
Harmless
Long-nosed Snake
Rhinocheilus lecontei
Harmless
Eastern Kingsnake
Lampropeltis getula
Harmless
Chihuahuan Nightsnake
Hypsiglena jani
Harmless
Western Massasauga
Sistrurus tergeminus
Venomous
Great Plains Ground Snake
Sonora episcopa
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.