Texas
Snakes in Red River County
17 species have been documented here, 4 of them venomous.
Venomous snakes in Red River County
Full guide & what to do if bitten →
Northern CottonmouthAgkistrodon piscivorusVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Eastern CopperheadAgkistrodon contortrixVenomousHeavy 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.
Pygmy RattlesnakeSistrurus miliariusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Every snake recorded in Red River County
Western Ratsnake
Pantherophis obsoletus
Harmless
Banded Watersnake
Nerodia fasciata
Harmless
Western Ribbon Snake
Thamnophis proximus
Harmless
North American Racer
Coluber constrictor
Harmless
Northern Cottonmouth
Agkistrodon piscivorus
Venomous
Mudsnake
Farancia abacura
Harmless
Eastern Copperhead
Agkistrodon contortrix
Venomous
DeKay's Brownsnake
Storeria dekayi
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Timber Rattlesnake
Crotalus horridus
Venomous
Common Coachwhip
Masticophis flagellum
Harmless
Diamondback Watersnake
Nerodia rhombifer
Harmless
Prairie Kingsnake
Lampropeltis calligaster
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Pygmy Rattlesnake
Sistrurus miliarius
Venomous
Graham's Crawfish Snake
Regina grahamii
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Red River County: FAQ
- Are there venomous snakes in Red River County, Texas?
- Yes. 4 venomous snake species have verified records in Red River County, Texas, including Northern Cottonmouth, Eastern Copperhead, Timber Rattlesnake, Pygmy Rattlesnake. Most snakes in Red River County, Texas, however, are harmless.
- How many snake species live in Red River County, Texas?
- 10+ snake species have verified records in Red River County, Texas, of which 4 are venomous.
- What is the most commonly seen snake in Red River County, Texas?
- The Western Ratsnake is the most frequently reported snake in Red River County, Texas, based on verified wildlife observations.
- What should I do if I see a venomous snake in Red River 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.