Snakes in Massachusetts

Here are common snakes found in Massachusetts, including 1 venomous species to watch for. Tap any snake for a full identification profile.

Identify a snake in Massachusetts Snake bite first aid

Caution

Venomous snakes in Massachusetts

A snake peeks out from a vibrant green pot in an outdoor setting.

Venomous

Copperhead

Agkistrodon contortrix

Responsible for more venomous snakebites than any other US species, but its bite is rarely fatal. Excellent camouflage in leaf litter leads to surprise encounters.

Danger 3/5

Beneficial

Harmless snakes in Massachusetts

Detailed image of a Timber Rattlesnake with focus on its textures and patterns.

Mildly venomous

Eastern Hognose Snake

Heterodon platirhinos

A harmless toad-eater famous for its theatrics — it hisses, flattens its neck like a cobra, then flips over and plays dead. Rear-fanged with toxin that affects only amphibians.

Danger 1/5

A detailed close-up of a brown snake amidst lush green leaves in Nigeria.

Non-venomous

DeKay's Brownsnake

Storeria dekayi

A tiny, gentle brown snake that thrives in cities and backyards. Frequently found under stepping stones and flowerpots, and completely harmless.

Danger 0/5

Identifying snakes in Massachusetts

Knowing your location is one of the most powerful tools in snake identification. Many snakes look similar, but the species actually present in Massachusetts narrows the possibilities dramatically. When you use our snake identifier, factor in your state to boost confidence — and if you ever spot a snake you can't identify, treat it as potentially dangerous and keep your distance.