Snake FinderField Guide · Worldwide

Know the dangerous ones

Venomous snakes in Jeff Davis County, Texas

9 venomous snake species have verified records in Jeff Davis 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.

    Commonly seenFull profile →
  2. 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.

  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. 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.

  5. 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.

  6. 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 →
  7. Prairie Rattlesnake
    Crotalus viridis
    Prairie Rattlesnake

    Crotalus viridis

    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 →
  8. 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.

    Occasionally seenFull profile →
  9. Eastern Massasauga
    Sistrurus catenatus
    Eastern Massasauga

    Sistrurus catenatus

    Venomous

    How to identify

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

    Rarely seenFull profile →

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