Texas
Snakes in Briscoe County
18 species have been documented here, 2 of them venomous.
Venomous snakes in Briscoe 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.
Prairie RattlesnakeCrotalus viridisVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Briscoe County

Western Diamond-backed Rattlesnake
Crotalus atrox
Venomous

Checkered Garter Snake
Thamnophis marcianus
Harmless

Common Coachwhip
Masticophis flagellum
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

Gopher Snake
Pituophis catenifer
Harmless

Long-nosed Snake
Rhinocheilus lecontei
Harmless

Plain-bellied Watersnake
Nerodia erythrogaster
Harmless

Western Ribbon Snake
Thamnophis proximus
Harmless

Glossy Snake
Arizona elegans
Harmless

Eastern Hognose Snake
Heterodon platirhinos
Harmless

Prairie Rattlesnake
Crotalus viridis
Venomous

Great Plains Ratsnake
Pantherophis emoryi
Harmless

Plains Hognose Snake
Heterodon nasicus
Harmless

Flat-headed Snake
Tantilla gracilis
Harmless

Pine Snake
Pituophis melanoleucus
Harmless

Speckled Kingsnake
Lampropeltis holbrooki
Harmless

Chihuahuan Nightsnake
Hypsiglena jani
Harmless

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