Texas
Snakes in McLennan County
30 species have been documented here, 7 of them venomous.
Venomous snakes in McLennan 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.
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.
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.
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 McLennan County
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in McLennan County: FAQ
- Are there venomous snakes in McLennan County, Texas?
- Yes. 7 venomous snake species have verified records in McLennan County, Texas, including Broad-banded Copperhead, Western Diamond-backed Rattlesnake, Northern Cottonmouth, Texas Coralsnake. Most snakes in McLennan County, Texas, however, are harmless.
- How many snake species live in McLennan County, Texas?
- 30+ snake species have verified records in McLennan County, Texas, of which 7 are venomous.
- What is the most commonly seen snake in McLennan County, Texas?
- The Rough Earthsnake is the most frequently reported snake in McLennan County, Texas, based on verified wildlife observations.
- What should I do if I see a venomous snake in McLennan 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.