Texas
Snakes in Reagan County
24 species have been documented here, 4 of them venomous.
Venomous snakes in Reagan 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.
Eastern CopperheadAgkistrodon contortrixVenomousHeavy 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.
Western MassasaugaSistrurus tergeminusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Every snake recorded in Reagan County
Tantilla selmae
Harmless
Southwestern Blackhead Snake
Tantilla hobartsmithi
Harmless
Plains Black-headed Snake
Tantilla nigriceps
Harmless
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Common Coachwhip
Masticophis flagellum
Harmless
Western Diamond-backed Rattlesnake
Crotalus atrox
Venomous
Checkered Garter Snake
Thamnophis marcianus
Harmless
Mexican Black-headed Snake
Tantilla atriceps
Harmless
Plains Hognose Snake
Heterodon nasicus
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Texas Blind Snake
Rena dulcis
Harmless
Chihuahuan Nightsnake
Hypsiglena jani
Harmless
Ground Snake
Sonora semiannulata
Harmless
Desert Kingsnake
Lampropeltis splendida
Harmless
Long-nosed Snake
Rhinocheilus lecontei
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Eastern Copperhead
Agkistrodon contortrix
Venomous
Eastern Milksnake
Lampropeltis triangulum
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
Eastern Kingsnake
Lampropeltis getula
Harmless
Striped Whipsnake
Masticophis taeniatus
Harmless
Western Massasauga
Sistrurus tergeminus
Venomous
Great Plains Ground Snake
Sonora episcopa
Harmless
Sinaloan Nightsnake
Hypsiglena torquata
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.