South Carolina
Snakes in Sumter County
27 species have been documented here, 4 of them venomous.
Venomous snakes in Sumter 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.
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.
Every snake recorded in Sumter County

Northern Cottonmouth
Agkistrodon piscivorus
Venomous

Banded Watersnake
Nerodia fasciata
Harmless

Eastern Ratsnake
Pantherophis alleghaniensis
Harmless

North American Racer
Coluber constrictor
Harmless

Common Wormsnake
Carphophis amoenus
Harmless

Eastern Copperhead
Agkistrodon contortrix
Venomous

Ring-necked Snake
Diadophis punctatus
Harmless

Red-bellied Snake
Storeria occipitomaculata
Harmless

Timber Rattlesnake
Crotalus horridus
Venomous

Red Cornsnake
Pantherophis guttatus
Harmless

Plain-bellied Watersnake
Nerodia erythrogaster
Harmless

Rough Greensnake
Opheodrys aestivus
Harmless

Eastern Hognose Snake
Heterodon platirhinos
Harmless

Brown Watersnake
Nerodia taxispilota
Harmless

Scarletsnake
Cemophora coccinea
Harmless

Common Garter Snake
Thamnophis sirtalis
Harmless

Western Ratsnake
Pantherophis obsoletus
Harmless

Eastern Kingsnake
Lampropeltis getula
Harmless

Mudsnake
Farancia abacura
Harmless

Common Watersnake
Nerodia sipedon
Harmless

Common Coachwhip
Masticophis flagellum
Harmless

Pygmy Rattlesnake
Sistrurus miliarius
Venomous

Scarlet Kingsnake
Lampropeltis elapsoides
Harmless

Southeastern Crowned Snake
Tantilla coronata
Harmless

Rainbow Snake
Farancia erytrogramma
Harmless

Tantilla selmae
Harmless
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.