Louisiana
Snakes in Catahoula County
19 species have been documented here, 3 of them venomous.
Venomous snakes in Catahoula 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.
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Every snake recorded in Catahoula County

North American Racer
Coluber constrictor
Harmless

Northern Cottonmouth
Agkistrodon piscivorus
Venomous

Banded Watersnake
Nerodia fasciata
Harmless

Plain-bellied Watersnake
Nerodia erythrogaster
Harmless

Rough Greensnake
Opheodrys aestivus
Harmless

Timber Rattlesnake
Crotalus horridus
Venomous

Western Ratsnake
Pantherophis obsoletus
Harmless

Western Ribbon Snake
Thamnophis proximus
Harmless

Eastern Copperhead
Agkistrodon contortrix
Venomous

Mudsnake
Farancia abacura
Harmless

Common Garter Snake
Thamnophis sirtalis
Harmless

DeKay's Brownsnake
Storeria dekayi
Harmless

Red Cornsnake
Pantherophis guttatus
Harmless

Eastern Milksnake
Lampropeltis triangulum
Harmless

Common Coachwhip
Masticophis flagellum
Harmless

Diamondback Watersnake
Nerodia rhombifer
Harmless

Prairie Kingsnake
Lampropeltis calligaster
Harmless

Western Milksnake
Lampropeltis gentilis
Harmless
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.