Snake FinderField Guide · Worldwide

Know the dangerous ones

Venomous snakes in Terrell County, Texas

9 venomous snake species have verified records in Terrell County. Learn to recognize each one, and know what to do if you are bitten.

Field entries

  1. Western Diamond-backed Rattlesnake
    Crotalus atrox
    Venomous

    How to identify

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

  2. Eastern Copperhead
    Agkistrodon contortrix
    Eastern Copperhead

    Agkistrodon contortrix

    Venomous

    How to identify

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

  3. Rock Rattlesnake
    Crotalus lepidus
    Rock Rattlesnake

    Crotalus lepidus

    Venomous

    How to identify

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

  4. Eastern Black-tailed Rattlesnake
    Crotalus ornatus
    Venomous

    How to identify

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

  5. Broad-banded Copperhead
    Agkistrodon laticinctus
    Broad-banded Copperhead

    Agkistrodon laticinctus

    Venomous

    How to identify

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

    Occasionally seenFull profile →
  6. Western Black-tailed Rattlesnake
    Crotalus molossus
    Venomous

    How to identify

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

    Occasionally seenFull profile →
  7. Mojave Rattlesnake
    Crotalus scutulatus
    Mojave Rattlesnake

    Crotalus scutulatus

    Venomous

    How to identify

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

    Rarely seenFull profile →
  8. Texas Coralsnake
    Micrurus tener
    Texas Coralsnake

    Micrurus tener

    Venomous

    How to identify

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

    Rarely seenFull profile →
  9. Eastern Coralsnake
    Micrurus fulvius
    Eastern Coralsnake

    Micrurus fulvius

    Venomous

    How to identify

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

    Rarely seenFull profile →

Looking for all snakes here, not just the venomous ones? See all snakes in Terrell County.