Louisiana
Snakes in Washington County
22 species have been documented here, 2 of them venomous.
Venomous snakes in Washington 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.
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Every snake recorded in Washington County
Northern Cottonmouth
Agkistrodon piscivorus
Venomous
Ring-necked Snake
Diadophis punctatus
Harmless
Gray Ratsnake
Pantherophis spiloides
Harmless
North American Racer
Coluber constrictor
Harmless
Eastern Copperhead
Agkistrodon contortrix
Venomous
Common Watersnake
Nerodia sipedon
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Rough Greensnake
Opheodrys aestivus
Harmless
Common Ribbon Snake
Thamnophis saurita
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Banded Watersnake
Nerodia fasciata
Harmless
Speckled Kingsnake
Lampropeltis holbrooki
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Brown Watersnake
Nerodia taxispilota
Harmless
Common Wormsnake
Carphophis amoenus
Harmless
Mudsnake
Farancia abacura
Harmless
Common Coachwhip
Masticophis flagellum
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Diamondback Watersnake
Nerodia rhombifer
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Glossy Swampsnake
Liodytes rigida
Harmless
Rainbow Snake
Farancia erytrogramma
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Washington County: FAQ
- Are there venomous snakes in Washington County, Louisiana?
- Yes. 2 venomous snake species have verified records in Washington County, Louisiana, including Northern Cottonmouth, Eastern Copperhead. Most snakes in Washington County, Louisiana, however, are harmless.
- How many snake species live in Washington County, Louisiana?
- 20+ snake species have verified records in Washington County, Louisiana, of which 2 are venomous.
- What is the most commonly seen snake in Washington County, Louisiana?
- The Northern Cottonmouth is the most frequently reported snake in Washington County, Louisiana, based on verified wildlife observations.
- What should I do if I see a venomous snake in Washington County, Louisiana?
- Keep your distance and do not try to catch or kill it. Most bites happen when people handle or corner a snake. If someone is bitten, contact local emergency services or poison control immediately.