Snake FinderField Guide · Worldwide

Know the dangerous ones

Venomous snakes in Saint Tammany County, Louisiana

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

Field entries

  1. Northern Cottonmouth
    Agkistrodon piscivorus
    Northern Cottonmouth

    Agkistrodon piscivorus

    Venomous

    How to identify

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

  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.

    Occasionally seenFull profile →
  3. Pygmy Rattlesnake
    Sistrurus miliarius
    Pygmy Rattlesnake

    Sistrurus miliarius

    Venomous

    How to identify

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

    Occasionally seenFull profile →
  4. Timber Rattlesnake
    Crotalus horridus
    Timber Rattlesnake

    Crotalus horridus

    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 →
  5. 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 →
  6. 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 →

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