Texas
Snakes in Uvalde County
41 species have been documented here, 5 of them venomous.
Venomous snakes in Uvalde 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.
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Rock RattlesnakeCrotalus lepidusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Eastern CoralsnakeMicrurus fulviusVenomousRings of red, yellow, and black where red touches yellow; small rounded head and round pupils.
Every snake recorded in Uvalde County
Diamondback Watersnake
Nerodia rhombifer
Harmless
Western Ribbon Snake
Thamnophis proximus
Harmless
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Checkered Garter Snake
Thamnophis marcianus
Harmless
Common Coachwhip
Masticophis flagellum
Harmless
Tantilla selmae
Harmless
Flat-headed Snake
Tantilla gracilis
Harmless
Western Diamond-backed Rattlesnake
Crotalus atrox
Venomous
Central American Indigo Snake
Drymarchon melanurus
Harmless
Great Plains Ratsnake
Pantherophis emoryi
Harmless
Texas Blind Snake
Rena dulcis
Harmless
Rough Greensnake
Opheodrys aestivus
Harmless
Texas Patch-nosed Snake
Salvadora lineata
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Schott's Whipsnake
Masticophis schotti
Harmless
Taylor’s Ground Snake
Sonora taylori
Harmless
Chihuahuan Nightsnake
Hypsiglena jani
Harmless
Pine Snake
Pituophis melanoleucus
Harmless
Baird's Ratsnake
Pantherophis bairdi
Harmless
Yellow-tailed Indigo Snake
Drymarchon corais
Harmless
Ground Snake
Sonora semiannulata
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Great Plains Ground Snake
Sonora episcopa
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Northern Cottonmouth
Agkistrodon piscivorus
Venomous
Long-nosed Snake
Rhinocheilus lecontei
Harmless
Striped Whipsnake
Masticophis taeniatus
Harmless
Black-necked Garter Snake
Thamnophis cyrtopsis
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Rough Earthsnake
Virginia striatula
Harmless
Common Ribbon Snake
Thamnophis saurita
Harmless
Red Cornsnake
Pantherophis guttatus
Harmless
Eastern Kingsnake
Lampropeltis getula
Harmless
Plains Black-headed Snake
Tantilla nigriceps
Harmless
Eastern Copperhead
Agkistrodon contortrix
Venomous
Glossy Snake
Arizona elegans
Harmless
Rock Rattlesnake
Crotalus lepidus
Venomous
Eastern Coralsnake
Micrurus fulvius
Venomous
Trans-pecos Ratsnake
Bogertophis subocularis
Harmless
Tamaulipan Hook-nosed Snake
Ficimia streckeri
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.