Texas
Snakes in Runnels County
17 species have been documented here, 2 of them venomous.
Venomous snakes in Runnels 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.
Eastern MassasaugaSistrurus catenatusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Every snake recorded in Runnels County
Brazos River Watersnake
Nerodia harteri
Harmless

Diamondback Watersnake
Nerodia rhombifer
Harmless

Western Ribbon Snake
Thamnophis proximus
Harmless

Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Concho Watersnake
Nerodia paucimaculata
Harmless

Western Diamond-backed Rattlesnake
Crotalus atrox
Venomous

Western Ratsnake
Pantherophis obsoletus
Harmless

Common Coachwhip
Masticophis flagellum
Harmless

Gopher Snake
Pituophis catenifer
Harmless

Texas Blind Snake
Rena dulcis
Harmless

North American Racer
Coluber constrictor
Harmless

Checkered Garter Snake
Thamnophis marcianus
Harmless

Eastern Massasauga
Sistrurus catenatus
Venomous

Great Plains Ratsnake
Pantherophis emoryi
Harmless

Desert Kingsnake
Lampropeltis splendida
Harmless

Great Plains Ground Snake
Sonora episcopa
Harmless

Plains Black-headed Snake
Tantilla nigriceps
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Runnels County: FAQ
- Are there venomous snakes in Runnels County, Texas?
- Yes. 2 venomous snake species have verified records in Runnels County, Texas, including Western Diamond-backed Rattlesnake, Eastern Massasauga. Most snakes in Runnels County, Texas, however, are harmless.
- How many snake species live in Runnels County, Texas?
- 10+ snake species have verified records in Runnels County, Texas, of which 2 are venomous.
- What is the most commonly seen snake in Runnels County, Texas?
- The Brazos River Watersnake is the most frequently reported snake in Runnels County, Texas, based on verified wildlife observations.
- What should I do if I see a venomous snake in Runnels 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.