Snakes in Robertson County

• 
  Eastern Copperhead

  Agkistrodon contortrix

  ▲ Venomous

  Heavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.

• 
  Northern Cottonmouth

  Agkistrodon piscivorus

  ▲ Venomous

  Heavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.

• 
  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.

• 
  Timber Rattlesnake

  Crotalus horridus

  ▲ Venomous

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

Every snake recorded in Robertson County

Eastern Copperhead

Agkistrodon contortrix

▲ Venomous

Western Ratsnake

Pantherophis obsoletus

Harmless

Western Ribbon Snake

Thamnophis proximus

Harmless

Glossy Snake

Arizona elegans

Harmless

Plain-bellied Watersnake

Nerodia erythrogaster

Harmless

Northern Cottonmouth

Agkistrodon piscivorus

▲ Venomous

Eastern Hognose Snake

Heterodon platirhinos

Harmless

Rough Earthsnake

Virginia striatula

Harmless

DeKay's Brownsnake

Storeria dekayi

Harmless

Western Diamond-backed Rattlesnake

Crotalus atrox

▲ Venomous

Texas Coralsnake

Micrurus tener

▲ Venomous

North American Racer

Coluber constrictor

Harmless

Banded Watersnake

Nerodia fasciata

Harmless

Rough Greensnake

Opheodrys aestivus

Harmless

Diamondback Watersnake

Nerodia rhombifer

Harmless

Common Coachwhip

Masticophis flagellum

Harmless

Timber Rattlesnake

Crotalus horridus

▲ Venomous

Great Plains Ratsnake

Pantherophis emoryi

Harmless

Prairie Kingsnake

Lampropeltis calligaster

Harmless

Plains Hognose Snake

Heterodon nasicus

Harmless

Speckled Kingsnake

Lampropeltis holbrooki

Harmless

Compiled from verified GBIF & iNaturalist observations. Informational only.

Snakes in Robertson County: FAQ

Are there venomous snakes in Robertson County, Texas?

Yes. 5 venomous snake species have verified records in Robertson County, Texas, including Eastern Copperhead, Northern Cottonmouth, Western Diamond-backed Rattlesnake, Texas Coralsnake. Most snakes in Robertson County, Texas, however, are harmless.

How many snake species live in Robertson County, Texas?

20+ snake species have verified records in Robertson County, Texas, of which 5 are venomous.

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

The Eastern Copperhead is the most frequently reported snake in Robertson County, Texas, based on verified wildlife observations.

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

Nearby counties