Massachusetts
Snakes in Plymouth County
10 species have been documented here, and none are venomous.
Every snake recorded in Plymouth County

Common Garter Snake
Thamnophis sirtalis
Harmless

Common Watersnake
Nerodia sipedon
Harmless

DeKay's Brownsnake
Storeria dekayi
Harmless

North American Racer
Coluber constrictor
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

Eastern Milksnake
Lampropeltis triangulum
Harmless

Common Ribbon Snake
Thamnophis saurita
Harmless

Eastern Hognose Snake
Heterodon platirhinos
Harmless

Smooth Greensnake
Opheodrys vernalis
Harmless

Red-bellied Snake
Storeria occipitomaculata
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Plymouth County: FAQ
- Are there venomous snakes in Plymouth County, Massachusetts?
- No venomous snakes have verified records in Plymouth County, Massachusetts. Every snake recorded here is harmless to humans, though any snake may bite defensively if handled.
- How many snake species live in Plymouth County, Massachusetts?
- 10 snake species have verified records in Plymouth County, Massachusetts.
- What is the most commonly seen snake in Plymouth County, Massachusetts?
- The Common Garter Snake is the most frequently reported snake in Plymouth County, Massachusetts, based on verified wildlife observations.