Oklahoma
Snakes in Tillman County
23 species have been documented here, 2 of them venomous.
Venomous snakes in Tillman County
Full guide & what to do if bitten →
Western MassasaugaSistrurus tergeminusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Western Diamond-backed RattlesnakeCrotalus atroxVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Tillman County
Graham's Crawfish Snake
Regina grahamii
Harmless
Diamondback Watersnake
Nerodia rhombifer
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Checkered Garter Snake
Thamnophis marcianus
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Western Ribbon Snake
Thamnophis proximus
Harmless
Western Massasauga
Sistrurus tergeminus
Venomous
North American Racer
Coluber constrictor
Harmless
Eastern Kingsnake
Lampropeltis getula
Harmless
Prairie Kingsnake
Lampropeltis calligaster
Harmless
Plains Hognose Snake
Heterodon nasicus
Harmless
Common Coachwhip
Masticophis flagellum
Harmless
Speckled Kingsnake
Lampropeltis holbrooki
Harmless
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Western Diamond-backed Rattlesnake
Crotalus atrox
Venomous
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Chihuahuan Nightsnake
Hypsiglena jani
Harmless
Ground Snake
Sonora semiannulata
Harmless
Plains Black-headed Snake
Tantilla nigriceps
Harmless
Sinaloan Nightsnake
Hypsiglena torquata
Harmless
Tantilla selmae
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.