Texas
Snakes in Nolan County
22 species have been documented here, 4 of them venomous.
Venomous snakes in Nolan County
Full guide & what to do if bitten →
Western Diamond-backed RattlesnakeCrotalus atroxVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Prairie RattlesnakeCrotalus viridisVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Eastern MassasaugaSistrurus catenatusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Western MassasaugaSistrurus tergeminusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Every snake recorded in Nolan County
Western Diamond-backed Rattlesnake
Crotalus atrox
Venomous
Checkered Garter Snake
Thamnophis marcianus
Harmless
Common Coachwhip
Masticophis flagellum
Harmless
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Western Ribbon Snake
Thamnophis proximus
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Diamondback Watersnake
Nerodia rhombifer
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Great Plains Ratsnake
Pantherophis emoryi
Harmless
Pine Snake
Pituophis melanoleucus
Harmless
North American Racer
Coluber constrictor
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Long-nosed Snake
Rhinocheilus lecontei
Harmless
Plains Hognose Snake
Heterodon nasicus
Harmless
Red Cornsnake
Pantherophis guttatus
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
Eastern Massasauga
Sistrurus catenatus
Venomous
Texas Patch-nosed Snake
Salvadora lineata
Harmless
Desert Kingsnake
Lampropeltis splendida
Harmless
Western Massasauga
Sistrurus tergeminus
Venomous
Compiled from verified GBIF & iNaturalist observations. Informational only.