South Carolina
Snakes in McCormick County
19 species have been documented here, 3 of them venomous.
Venomous snakes in McCormick County
Full guide & what to do if bitten →
Pygmy RattlesnakeSistrurus miliariusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
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.
Every snake recorded in McCormick County

Common Garter Snake
Thamnophis sirtalis
Harmless

Red-bellied Snake
Storeria occipitomaculata
Harmless

Eastern Ratsnake
Pantherophis alleghaniensis
Harmless

Pygmy Rattlesnake
Sistrurus miliarius
Venomous

Eastern Kingsnake
Lampropeltis getula
Harmless

North American Racer
Coluber constrictor
Harmless

Plain-bellied Watersnake
Nerodia erythrogaster
Harmless

DeKay's Brownsnake
Storeria dekayi
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

Eastern Copperhead
Agkistrodon contortrix
Venomous

Common Wormsnake
Carphophis amoenus
Harmless

Rough Greensnake
Opheodrys aestivus
Harmless

Red Cornsnake
Pantherophis guttatus
Harmless

Common Watersnake
Nerodia sipedon
Harmless

Timber Rattlesnake
Crotalus horridus
Venomous

Eastern Hognose Snake
Heterodon platirhinos
Harmless

Brown Watersnake
Nerodia taxispilota
Harmless

Prairie Kingsnake
Lampropeltis calligaster
Harmless

Scarlet Kingsnake
Lampropeltis elapsoides
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.