Texas
Snakes in Medina County
32 species have been documented here, 6 of them venomous.
Venomous snakes in Medina 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.
Texas CoralsnakeMicrurus tenerVenomousRings of red, yellow, and black where red touches yellow; small rounded head and round pupils.
Eastern Black-tailed RattlesnakeCrotalus ornatusVenomousHeavy 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.
Western Black-tailed RattlesnakeCrotalus molossusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Broad-banded CopperheadAgkistrodon laticinctusVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Every snake recorded in Medina County
































Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Medina County: FAQ
- Are there venomous snakes in Medina County, Texas?
- Yes. 6 venomous snake species have verified records in Medina County, Texas, including Western Diamond-backed Rattlesnake, Texas Coralsnake, Eastern Black-tailed Rattlesnake, Northern Cottonmouth. Most snakes in Medina County, Texas, however, are harmless.
- How many snake species live in Medina County, Texas?
- 30+ snake species have verified records in Medina County, Texas, of which 6 are venomous.
- What is the most commonly seen snake in Medina County, Texas?
- The Checkered Garter Snake is the most frequently reported snake in Medina County, Texas, based on verified wildlife observations.
- What should I do if I see a venomous snake in Medina 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.