Massachusetts
Snakes in Essex County
11 species have been documented here, 1 of them venomous.
Venomous snakes in Essex County
Full guide & what to do if bitten →
Timber RattlesnakeCrotalus horridusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Essex County
Common Garter Snake
Thamnophis sirtalis
Harmless
Common Watersnake
Nerodia sipedon
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Common Ribbon Snake
Thamnophis saurita
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
North American Racer
Coluber constrictor
Harmless
Smooth Greensnake
Opheodrys vernalis
Harmless
Timber Rattlesnake
Crotalus horridus
Venomous
Red-bellied Snake
Storeria occipitomaculata
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.