Tennessee
Snakes in Lewis County
18 species have been documented here, 3 of them venomous.
Venomous snakes in Lewis County
Full guide & what to do if bitten →
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
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.
Every snake recorded in Lewis County

Common Watersnake
Nerodia sipedon
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

North American Racer
Coluber constrictor
Harmless

Rough Greensnake
Opheodrys aestivus
Harmless

Red-bellied Snake
Storeria occipitomaculata
Harmless

Queensnake
Regina septemvittata
Harmless

Black Kingsnake
Lampropeltis nigra
Harmless

Pine Snake
Pituophis melanoleucus
Harmless

Eastern Copperhead
Agkistrodon contortrix
Venomous

Northern Cottonmouth
Agkistrodon piscivorus
Venomous

Eastern Hognose Snake
Heterodon platirhinos
Harmless

Common Garter Snake
Thamnophis sirtalis
Harmless

DeKay's Brownsnake
Storeria dekayi
Harmless

Gray Ratsnake
Pantherophis spiloides
Harmless

Eastern Milksnake
Lampropeltis triangulum
Harmless

Timber Rattlesnake
Crotalus horridus
Venomous

Eastern Kingsnake
Lampropeltis getula
Harmless

Prairie Kingsnake
Lampropeltis calligaster
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.