Texas
Snakes in Washington County
23 species have been documented here, 5 of them venomous.
Venomous snakes in Washington County
Full guide & what to do if bitten →
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Texas CoralsnakeMicrurus tenerVenomousRings of red, yellow, and black where red touches yellow; small rounded head and round pupils.
Northern CottonmouthAgkistrodon piscivorusVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Broad-banded CopperheadAgkistrodon laticinctusVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Timber RattlesnakeCrotalus horridusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Washington County
Western Ratsnake
Pantherophis obsoletus
Harmless
Western Ribbon Snake
Thamnophis proximus
Harmless
Eastern Copperhead
Agkistrodon contortrix
Venomous
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Diamondback Watersnake
Nerodia rhombifer
Harmless
North American Racer
Coluber constrictor
Harmless
Checkered Garter Snake
Thamnophis marcianus
Harmless
Texas Coralsnake
Micrurus tener
Venomous
Rough Greensnake
Opheodrys aestivus
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Banded Watersnake
Nerodia fasciata
Harmless
Northern Cottonmouth
Agkistrodon piscivorus
Venomous
Rough Earthsnake
Virginia striatula
Harmless
Broad-banded Copperhead
Agkistrodon laticinctus
Venomous
Common Coachwhip
Masticophis flagellum
Harmless
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Speckled Kingsnake
Lampropeltis holbrooki
Harmless
Prairie Kingsnake
Lampropeltis calligaster
Harmless
Texas Blind Snake
Rena dulcis
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Timber Rattlesnake
Crotalus horridus
Venomous
Eastern Kingsnake
Lampropeltis getula
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.