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