Snakes in Cameron 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.

• 
  Texas Coralsnake

  Micrurus tener

  ▲ Venomous

  Rings of red, yellow, and black where red touches yellow; small rounded head and round pupils.

• 
  Eastern Coralsnake

  Micrurus fulvius

  ▲ Venomous

  Rings of red, yellow, and black where red touches yellow; small rounded head and round pupils.

Every snake recorded in Cameron County

Western Ribbon Snake

Thamnophis proximus

Harmless

Western Diamond-backed Rattlesnake

Crotalus atrox

▲ Venomous

Diamondback Watersnake

Nerodia rhombifer

Harmless

Central American Indigo Snake

Drymarchon melanurus

Harmless

Great Plains Ratsnake

Pantherophis emoryi

Harmless

Black-striped Snake

Coniophanes imperialis

Harmless

Texas Coralsnake

Micrurus tener

▲ Venomous

Texas Patch-nosed Snake

Salvadora lineata

Harmless

Schott's Whipsnake

Masticophis schotti

Harmless

Speckled Racer

Drymobius margaritiferus

Harmless

Rough Greensnake

Opheodrys aestivus

Harmless

Common Coachwhip

Masticophis flagellum

Harmless

Brahminy Blindsnake

Indotyphlops braminus

Harmless

DeKay's Brownsnake

Storeria dekayi

Harmless

Gopher Snake

Pituophis catenifer

Harmless

North American Racer

Coluber constrictor

Harmless

Texas Blind Snake

Rena dulcis

Harmless

Checkered Garter Snake

Thamnophis marcianus

Harmless

Striped Whipsnake

Masticophis taeniatus

Harmless

Tamaulipan Milksnake

Lampropeltis annulata

Harmless

Northern Cat-eyed Snake

Leptodeira septentrionalis

Harmless

Red Cornsnake

Pantherophis guttatus

Harmless

Plains Black-headed Snake

Tantilla nigriceps

Harmless

Glossy Snake

Arizona elegans

Harmless

Eastern Coralsnake

Micrurus fulvius

▲ Venomous

Taylor’s Ground Snake

Sonora taylori

Harmless

Eastern Kingsnake

Lampropeltis getula

Harmless

Tamaulipan Hook-nosed Snake

Ficimia streckeri

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Cameron County: FAQ

Are there venomous snakes in Cameron County, Texas?

Yes. 3 venomous snake species have verified records in Cameron County, Texas, including Western Diamond-backed Rattlesnake, Texas Coralsnake, Eastern Coralsnake. Most snakes in Cameron County, Texas, however, are harmless.

How many snake species live in Cameron County, Texas?

20+ snake species have verified records in Cameron County, Texas, of which 3 are venomous.

What is the most commonly seen snake in Cameron County, Texas?

The Western Ribbon Snake is the most frequently reported snake in Cameron County, Texas, based on verified wildlife observations.

What should I do if I see a venomous snake in Cameron 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.

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