Texas
Snakes in Bexar County
40 species have been documented here, 8 of them venomous.
Venomous snakes in Bexar County
Full guide & what to do if bitten →
Texas CoralsnakeMicrurus tenerVenomousRings of red, yellow, and black where red touches yellow; small rounded head and round pupils.
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.
Broad-banded CopperheadAgkistrodon laticinctusVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Eastern Black-tailed RattlesnakeCrotalus ornatusVenomousHeavy 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.
Eastern CoralsnakeMicrurus fulviusVenomousRings of red, yellow, and black where red touches yellow; small rounded head and round pupils.
Prairie RattlesnakeCrotalus viridisVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Bexar County
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Bexar County: FAQ
- Are there venomous snakes in Bexar County, Texas?
- Yes. 8 venomous snake species have verified records in Bexar County, Texas, including Texas Coralsnake, Western Diamond-backed Rattlesnake, Northern Cottonmouth, Broad-banded Copperhead. Most snakes in Bexar County, Texas, however, are harmless.
- How many snake species live in Bexar County, Texas?
- 40+ snake species have verified records in Bexar County, Texas, of which 8 are venomous.
- What is the most commonly seen snake in Bexar County, Texas?
- The Checkered Garter Snake is the most frequently reported snake in Bexar County, Texas, based on verified wildlife observations.
- What should I do if I see a venomous snake in Bexar County, Texas?
- Keep your distance and do not try to catch or kill it. Most bites happen when people handle or corner a snake. If someone is bitten, contact local emergency services or poison control immediately.