Massachusetts
Snakes in Norfolk County
13 species have been documented here, 2 of them venomous.
Venomous snakes in Norfolk 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.
Timber RattlesnakeCrotalus horridusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Norfolk County

Common Garter Snake
Thamnophis sirtalis
Harmless

Common Watersnake
Nerodia sipedon
Harmless

Eastern Milksnake
Lampropeltis triangulum
Harmless

North American Racer
Coluber constrictor
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

DeKay's Brownsnake
Storeria dekayi
Harmless

Common Ribbon Snake
Thamnophis saurita
Harmless

Eastern Copperhead
Agkistrodon contortrix
Venomous

Smooth Greensnake
Opheodrys vernalis
Harmless

Timber Rattlesnake
Crotalus horridus
Venomous

Red-bellied Snake
Storeria occipitomaculata
Harmless

Eastern Hognose Snake
Heterodon platirhinos
Harmless

Eastern Kingsnake
Lampropeltis getula
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.