Texas
Snakes in Tom Green County
44 species have been documented here, 3 of them venomous.
Venomous snakes in Tom Green 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.
Northern CottonmouthAgkistrodon piscivorusVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Prairie RattlesnakeCrotalus viridisVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Tom Green County
Western Diamond-backed Rattlesnake
Crotalus atrox
Venomous
Common Coachwhip
Masticophis flagellum
Harmless
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Long-nosed Snake
Rhinocheilus lecontei
Harmless
Diamondback Watersnake
Nerodia rhombifer
Harmless
Tantilla selmae
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Texas Blind Snake
Rena dulcis
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Northern Cottonmouth
Agkistrodon piscivorus
Venomous
Checkered Garter Snake
Thamnophis marcianus
Harmless
Western Ribbon Snake
Thamnophis proximus
Harmless
Flat-headed Snake
Tantilla gracilis
Harmless
Plains Black-headed Snake
Tantilla nigriceps
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Desert Kingsnake
Lampropeltis splendida
Harmless
Rough Greensnake
Opheodrys aestivus
Harmless
Ground Snake
Sonora semiannulata
Harmless
Plains Hognose Snake
Heterodon nasicus
Harmless
Eastern Kingsnake
Lampropeltis getula
Harmless
Great Plains Ratsnake
Pantherophis emoryi
Harmless
Pine Snake
Pituophis melanoleucus
Harmless
Sinaloan Nightsnake
Hypsiglena torquata
Harmless
Texas Patch-nosed Snake
Salvadora lineata
Harmless
Lined Snake
Tropidoclonion lineatum
Harmless
Great Plains Ground Snake
Sonora episcopa
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Chihuahuan Hook-nosed Snake
Gyalopion canum
Harmless
Red Cornsnake
Pantherophis guttatus
Harmless
Chihuahuan Nightsnake
Hypsiglena jani
Harmless
Brazos River Watersnake
Nerodia harteri
Harmless
North American Racer
Coluber constrictor
Harmless
Rough Earthsnake
Virginia striatula
Harmless
Speckled Kingsnake
Lampropeltis holbrooki
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
Brown Watersnake
Nerodia taxispilota
Harmless
Common Ribbon Snake
Thamnophis saurita
Harmless
Western Milksnake
Lampropeltis gentilis
Harmless
Coast Night Snake
Hypsiglena ochrorhynchus
Harmless
Graham's Crawfish Snake
Regina grahamii
Harmless
Southwestern Blackhead Snake
Tantilla hobartsmithi
Harmless
Concho Watersnake
Nerodia paucimaculata
Harmless
Levant Rat Snake
Elaphe druzei
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.