Louisiana
Snakes in Saint John the Baptist County
24 species have been documented here, 4 of them venomous.
Venomous snakes in Saint John the Baptist County
Full guide & what to do if bitten →
Northern CottonmouthAgkistrodon piscivorusVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Timber RattlesnakeCrotalus horridusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Pygmy RattlesnakeSistrurus miliariusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Eastern CoralsnakeMicrurus fulviusVenomousRings of red, yellow, and black where red touches yellow; small rounded head and round pupils.
Every snake recorded in Saint John the Baptist County
Banded Watersnake
Nerodia fasciata
Harmless
Mississippi Green Watersnake
Nerodia cyclopion
Harmless
Northern Cottonmouth
Agkistrodon piscivorus
Venomous
Western Ribbon Snake
Thamnophis proximus
Harmless
Diamondback Watersnake
Nerodia rhombifer
Harmless
Mudsnake
Farancia abacura
Harmless
Gray Ratsnake
Pantherophis spiloides
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
North American Racer
Coluber constrictor
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Saltmarsh Snake
Nerodia clarkii
Harmless
Ball Python
Python regius
Harmless
Rough Greensnake
Opheodrys aestivus
Harmless
Graham's Crawfish Snake
Regina grahamii
Harmless
Glossy Swampsnake
Liodytes rigida
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Timber Rattlesnake
Crotalus horridus
Venomous
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Brahminy Blindsnake
Indotyphlops braminus
Harmless
Pygmy Rattlesnake
Sistrurus miliarius
Venomous
Western Milksnake
Lampropeltis gentilis
Harmless
Eastern Coralsnake
Micrurus fulvius
Venomous
Compiled from verified GBIF & iNaturalist observations. Informational only.