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Snakes in Ohio

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

Identify a snake in OhioSnake bite first aid
Caution

Venomous snakes in Ohio

Upward view of towering redwood trees in a lush forest, capturing nature's grandeur.
Venomous

Timber Rattlesnake

Crotalus horridus

A large forest rattlesnake of the eastern US with a calm temperament but highly potent venom. Often confused with the harmless Eastern Ratsnake.

Danger 4/5
Beneficial

Harmless snakes in Ohio

Detailed close-up shot of a central ratsnake slithering through grass, highlighting its features.
Non-venomous

Eastern Ratsnake

Pantherophis alleghaniensis

A large, harmless constrictor and one of the best natural rodent controllers around homes and farms. Juveniles are gray and blotched, leading to copperhead confusion.

Danger 0/5
Detailed close-up photo of a snake partially submerged in water, surrounded by lush green algae.
Non-venomous

Northern Watersnake

Nerodia sipedon

A harmless aquatic snake constantly killed out of fear that it is a cottonmouth. It bites readily when grabbed but has no venom.

Danger 1/5
A venomous snake with a forked tongue, camouflaged in grass.
Non-venomous

Eastern Ribbon Snake

Thamnophis saurita

A slender, harmless relative of the garter snake with crisp stripes and a notably long tail. Common around water but completely harmless.

Danger 0/5
A striking milk snake with vibrant patterns rests on a branch in a natural setting.
Non-venomous

Eastern Milk Snake

Lampropeltis triangulum

A harmless constrictor with bold blotches, often killed because it is mistaken for a copperhead or coral snake. A beneficial rodent and snake predator.

Danger 0/5
Black-and-white close-up of a snake in grass showcasing wildlife and natural detail.
Non-venomous

Black Racer

Coluber constrictor

A slender, fast, harmless snake that flees at high speed when disturbed. Often mistaken for something dangerous because of its dark color and nervous, alert behavior.

Danger 0/5
A detailed view of a ring-necked snake amid forest floor debris, showcasing its unique coloration.
Mildly venomous

Ring-necked Snake

Diadophis punctatus

A tiny, secretive snake with a bright neck ring and a vivid orange-yellow belly it curls to flash when threatened. Harmless to people despite mild rear-fanged saliva.

Danger 0/5
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 Ohio

Knowing your location is one of the most powerful tools in snake identification. Many snakes look similar, but the species actually present in Ohio 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.