Snakes in Guadalupe County

• 
  Western Diamond-backed Rattlesnake

  Crotalus atrox

  ▲ Venomous

  Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.

• 
  Prairie Rattlesnake

  Crotalus viridis

  ▲ Venomous

  Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.

• 
  Western Massasauga

  Sistrurus tergeminus

  ▲ Venomous

  Stout, dark-blotched body, nine large scales on the crown, and a small rattle.

Every snake recorded in Guadalupe County

Western Diamond-backed Rattlesnake

Crotalus atrox

▲ Venomous

No photo

Mexican Whip Snake

Masticophis lineatus

Harmless

Common Coachwhip

Masticophis flagellum

Harmless

Checkered Garter Snake

Thamnophis marcianus

Harmless

Lined Snake

Tropidoclonion lineatum

Harmless

Gopher Snake

Pituophis catenifer

Harmless

Pine Snake

Pituophis melanoleucus

Harmless

Prairie Rattlesnake

Crotalus viridis

▲ Venomous

Ground Snake

Sonora semiannulata

Harmless

Sinaloan Nightsnake

Hypsiglena torquata

Harmless

Plains Hognose Snake

Heterodon nasicus

Harmless

Texas Blind Snake

Rena dulcis

Harmless

Plains Black-headed Snake

Tantilla nigriceps

Harmless

Tantilla selmae

Harmless

Long-nosed Snake

Rhinocheilus lecontei

Harmless

Black-necked Garter Snake

Thamnophis cyrtopsis

Harmless

Red Cornsnake

Pantherophis guttatus

Harmless

Western Massasauga

Sistrurus tergeminus

▲ Venomous

Eastern Kingsnake

Lampropeltis getula

Harmless

Striped Whipsnake

Masticophis taeniatus

Harmless

Glossy Snake

Arizona elegans

Harmless

North American Racer

Coluber constrictor

Harmless

Ring-necked Snake

Diadophis punctatus

Harmless

Western Terrestrial Garter Snake

Thamnophis elegans

Harmless

Chihuahuan Nightsnake

Hypsiglena jani

Harmless

Coast Night Snake

Hypsiglena ochrorhynchus

Harmless

Great Plains Ground Snake

Sonora episcopa

Harmless

Trans-pecos Ratsnake

Bogertophis subocularis

Harmless

Chihuahuan Hook-nosed Snake

Gyalopion canum

Harmless

Levant Rat Snake

Elaphe druzei

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Nearby counties