Oklahoma
Snakes in Dewey County
17 species have been documented here, 2 of them venomous.
Venomous snakes in Dewey County
Full guide & what to do if bitten →
Western MassasaugaSistrurus tergeminusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Eastern MassasaugaSistrurus catenatusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Every snake recorded in Dewey County
Gopher Snake
Pituophis catenifer
Harmless
Common Coachwhip
Masticophis flagellum
Harmless
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Diamondback Watersnake
Nerodia rhombifer
Harmless
Glossy Snake
Arizona elegans
Harmless
Western Massasauga
Sistrurus tergeminus
Venomous
DeKay's Brownsnake
Storeria dekayi
Harmless
North American Racer
Coluber constrictor
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Western Ribbon Snake
Thamnophis proximus
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Eastern Massasauga
Sistrurus catenatus
Venomous
Chihuahuan Nightsnake
Hypsiglena jani
Harmless
Plains Hognose Snake
Heterodon nasicus
Harmless
Pine Snake
Pituophis melanoleucus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.