Tennessee
Snakes in McNairy County
13 species have been documented here, 2 of them venomous.
Venomous snakes in McNairy 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 McNairy County

Ring-necked Snake
Diadophis punctatus
Harmless

North American Racer
Coluber constrictor
Harmless

Northern Cottonmouth
Agkistrodon piscivorus
Venomous

Common Garter Snake
Thamnophis sirtalis
Harmless

Black Kingsnake
Lampropeltis nigra
Harmless

Eastern Copperhead
Agkistrodon contortrix
Venomous

Plain-bellied Watersnake
Nerodia erythrogaster
Harmless

Red-bellied Snake
Storeria occipitomaculata
Harmless

Common Wormsnake
Carphophis amoenus
Harmless

Red Cornsnake
Pantherophis guttatus
Harmless

Southeastern Crowned Snake
Tantilla coronata
Harmless

Gray Ratsnake
Pantherophis spiloides
Harmless

Smooth Earthsnake
Virginia valeriae
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in McNairy County: FAQ
- Are there venomous snakes in McNairy County, Tennessee?
- Yes. 2 venomous snake species have verified records in McNairy County, Tennessee, including Northern Cottonmouth, Eastern Copperhead. Most snakes in McNairy County, Tennessee, however, are harmless.
- How many snake species live in McNairy County, Tennessee?
- 10+ snake species have verified records in McNairy County, Tennessee, of which 2 are venomous.
- What is the most commonly seen snake in McNairy County, Tennessee?
- The Ring-necked Snake is the most frequently reported snake in McNairy County, Tennessee, based on verified wildlife observations.
- What should I do if I see a venomous snake in McNairy County, Tennessee?
- 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.