10 Types of Snakes in Rhode Island
Rhode Island has no venomous snakes. Every snake you can find in the state today is harmless to people. The timber rattlesnake once lived here but is now considered extirpated, meaning it no longer occurs in the wild in Rhode Island. The snakes you are likely to meet are the common garter, northern water, eastern ribbon, eastern milk, northern ring-necked, northern red-bellied, smooth green, eastern racer, and DeKay's brown snake. Learn their field marks and habitats and you can name almost anything you see in a backyard, a park, or along a pond.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 25, 2026.
- 8
- species recorded
- May, June, April
- peak months
Verified species, source iNaturalist
10 types of snakes recorded in Rhode Island
10 snake species have a verified observation record in Rhode Island across snakes (suborder Serpentes), each with at least 10 confirmed sightings. The full list, ranked by how often each is recorded, is below.
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Plus 1 more recorded only rarely (fewer than 10 verified sightings). Counts from verified iNaturalist observations. Photos by iNaturalist observers, reused under the licence each observer chose.
Real sighting data, source iNaturalist
1,659 verified observations on iNaturalist of snake have been recorded in Rhode Island, most often in May, June, April.
When snake are recorded in Rhode Island
Rhode Island has no venomous snakes. Every snake you can find in the state today is harmless to people. The timber rattlesnake once lived here but is now considered extirpated, meaning it no longer occurs in the wild in Rhode Island. The snakes you are likely to meet are the common garter, northern water, eastern ribbon, eastern milk, northern ring-necked, northern red-bellied, smooth green, eastern racer, and DeKay's brown snake. Learn their field marks and habitats and you can name almost anything you see in a backyard, a park, or along a pond.
1. What kinds of snakes live in Rhode Island?
Rhode Island's snake list is short and entirely harmless. The species you can expect to encounter are the common garter snake, the eastern ribbon snake, the northern water snake, the eastern milk snake, the northern ring-necked snake, the northern red-bellied snake, the smooth green snake, the eastern racer (often called the black racer), and DeKay's brown snake. The eastern hognose snake has also been recorded here but is uncommon.
The timber rattlesnake is the only venomous species ever documented in the state, and it is now extirpated, so there are no venomous snakes living in Rhode Island today. None of the snakes on the current list pose a danger to people, and all of them help control rodents, slugs, and insects.
See ourstate wildlife pagefor the next step.
2. How can I identify the most common Rhode Island snakes?
Focus on color, pattern, and where you found the snake. The common garter snake has three light stripes running the length of a dark body and turns up almost anywhere, including gardens. The eastern ribbon snake looks like a slimmer garter with crisper stripes and a longer tail, usually near water. The northern water snake is thick-bodied with dark bands that fade and darken with age, and it is the one most often seen swimming. The eastern milk snake has reddish-brown blotches edged in black on a gray body. The northern ring-necked snake is slate gray with a thin yellow collar and a yellow belly. The smooth green snake is a uniform bright green. The eastern racer is glossy black with a pale chin and moves fast when disturbed. DeKay's brown snake is small, tan to brown, with two rows of tiny dark spots down the back.
3. Which Rhode Island snakes are venomous?
None of them. Rhode Island has no venomous snakes living in the wild. The timber rattlesnake is the only venomous species the state ever had, and it has been gone for a long time and is treated as extirpated. That means a snake you find in Rhode Island, whether it is in your yard, on a trail, or near a pond, is harmless. Some species like the eastern milk snake and the northern water snake can put on a defensive show, flattening the head or vibrating the tail, but neither one is venomous. A bite from any local snake might break the skin if you handle it, but it carries no venom and is not a medical emergency. Wash it and watch for normal signs of any minor wound.
4. Where in Rhode Island are snakes most often seen?
Snakes turn up most along sunny edges where cover and prey meet. Wooded borders, old fields, stone walls, and the margins of ponds and streams are all reliable. Look under flat rocks, logs, boards, and yard debris where snakes shelter and warm up. The northern water snake is regularly seen basking on rocks and logs at the edge of ponds and slow streams or swimming with its head above the surface. Garter and brown snakes are common in suburban yards, gardens, and parks. Ring-necked snakes hide under bark and stones in moist woods. Smooth green snakes prefer grassy fields and meadows. Coastal scrub, refuge trails, and management areas across the state all hold snakes through the warm months.
5. When is the best season to spot snakes in Rhode Island?
Snakes are most active from April through October. Spring and early fall, on warm sunny days, you will often find them basking on rocks, walls, and paths to raise their body temperature. In the heat of summer they are more active in the cooler hours, so early morning and late afternoon are the best times to look. After a warm rain is especially good, since prey is moving. As nights cool in October the snakes head for hibernation sites below the frost line. Through the cold months they stay underground and are nearly impossible to find.
6. How do I tell a harmless snake from a dangerous one in Rhode Island?
In Rhode Island this is simple, because every snake in the state is harmless. There is no venomous species to worry about. Even so, a few harmless snakes bluff well. The eastern milk snake vibrates its tail in dry leaves to mimic a rattle, but it has a slender head and no rattle. The northern water snake flattens its head and body and can look stout and aggressive, yet it is not venomous. The eastern hognose flares its neck and may play dead. None of these displays signals real danger. The safe and respectful move with any snake is to watch it from a step or two back and let it move along on its own.
7. Show off your snake spotting style with wildlife inspired apparel
After a day in the field, wear your snake appreciation on your sleeve. Easy Street Markets carries shirts that match your field guide mindset.
Rattlesnake Graphic T-Shirt
A bold design for those who admire the timber rattlesnake from a distance. Great for sparking conversations about Rhode Island's only venomous snake.Check Price and Availability
Green Viper Snake T-Shirt
A nod to the green snakes you might spot in the brush. Comfortable for hiking or lounging.Check Price and Availability
Retro Cute Snake T-Shirt
Playful and lighthearted, perfect for herpetology fans who love the harmless species.Check Price and Availability
Browse morewildlife shirtsto represent your favorite animal encounters.
8. Which snakes show up in Rhode Island yards and gardens?
A few species are happy living close to people. The common garter snake is the one most homeowners see, often near compost, woodpiles, and garden beds where it hunts worms, slugs, and small frogs. DeKay's brown snake is small and easy to overlook, and it spends much of its time under mulch, boards, and flat stones eating slugs and earthworms, which makes it a quiet help in the garden. The eastern milk snake sometimes moves into barns, sheds, and basements following mice. The eastern racer and the ring-necked snake may pass through wooded yards near stone walls. All of these are harmless. If one turns up, you can leave it alone or gently encourage it toward cover.
See ourRhode Island snake guidefor the next step.
9. Which water snakes live in Rhode Island, and are any dangerous?
The only true water snake in Rhode Island is the northern water snake, and it is not dangerous. It is a thick, strongly patterned snake that swims well and is often found basking at the edge of ponds, lakes, and slow streams. Because it is bold and will stand its ground, it is the snake people most often mistake for a venomous one. Rhode Island has no water moccasins, also called cottonmouths, which do not range this far north, so any snake you see in the water here is harmless. The eastern ribbon snake and the common garter snake also hunt near water and swim readily, but they are slender striped snakes rather than the heavy banded water snake.
10. How many snake species are in Rhode Island?
Rhode Island is home to roughly a dozen snake species, and the list is modest because the state is small and its winters are cold. The species most field guides and state sources include are the common garter, eastern ribbon, northern water, eastern milk, northern ring-necked, northern red-bellied, smooth green, eastern racer, DeKay's brown, and the uncommon eastern hognose. The timber rattlesnake was historically present and is the only venomous species ever recorded, but it is now extirpated and not counted among the snakes living in the state today. Counts can differ slightly between sources depending on how rare and historical records are treated, so you may see a number a little above or below twelve.
Learn more on oursnakes overviewfor the next step.
11. Frequently asked questions about Rhode Island snakes
**Are there any venomous snakes in Rhode Island?** No. Rhode Island has no venomous snakes living in the wild. The timber rattlesnake, the only venomous species the state ever had, is now extirpated. **Are there timber rattlesnakes in Rhode Island?** No. The timber rattlesnake is considered extirpated, meaning it no longer lives in the wild in the state. The image on the shirt above is a tribute to that lost history, not a current resident. **Can I keep a native snake as a pet in Rhode Island?** Rules on keeping native species vary, so check the current regulations with the Rhode Island Department of Environmental Management before keeping any wild-caught snake. **What is the largest snake in Rhode Island?** The eastern racer and the eastern rat snake group are among the longest, and a large racer can reach several feet. **Do Rhode Island snakes come into yards?** Yes. Common garter snakes and DeKay's brown snakes are regular yard residents, and both help control garden pests. **Are there water moccasins in Rhode Island?** No. The harmless northern water snake is often mistaken for a water moccasin, but cottonmouths do not range this far north.
See ourRhode Island wildlife pagefor the next step.
Gear and field guides
Frequently asked questions
1. What kinds of snakes live in Rhode Island?+
Rhode Island's snake list is short and entirely harmless. The species you can expect to encounter are the common garter snake, the eastern ribbon snake, the northern water snake, the eastern milk snake, the northern ring-necked snake, the northern red-bellied snake, the smooth green snake, the eastern racer (often called the black racer), and DeKay's brown snake. The eastern hognose snake has also been recorded here but is uncommon. The timber rattlesnake is the only venomous species ever documented in the state, and it is now extirpated, so there are no venomous snakes living in Rhode Island today. None of the snakes on the current list pose a danger to people, and all of them help control rodents, slugs, and insects. See ourstate wildlife pagefor the next step.
2. How can I identify the most common Rhode Island snakes?+
Focus on color, pattern, and where you found the snake. The common garter snake has three light stripes running the length of a dark body and turns up almost anywhere, including gardens. The eastern ribbon snake looks like a slimmer garter with crisper stripes and a longer tail, usually near water. The northern water snake is thick-bodied with dark bands that fade and darken with age, and it is the one most often seen swimming. The eastern milk snake has reddish-brown blotches edged in black on a gray body. The northern ring-necked snake is slate gray with a thin yellow collar and a yellow belly. The smooth green snake is a uniform bright green. The eastern racer is glossy black with a pale chin and moves fast when disturbed. DeKay's brown snake is small, tan to brown, with two rows of tiny dark spots down the back.
3. Which Rhode Island snakes are venomous?+
None of them. Rhode Island has no venomous snakes living in the wild. The timber rattlesnake is the only venomous species the state ever had, and it has been gone for a long time and is treated as extirpated. That means a snake you find in Rhode Island, whether it is in your yard, on a trail, or near a pond, is harmless. Some species like the eastern milk snake and the northern water snake can put on a defensive show, flattening the head or vibrating the tail, but neither one is venomous. A bite from any local snake might break the skin if you handle it, but it carries no venom and is not a medical emergency. Wash it and watch for normal signs of any minor wound.
4. Where in Rhode Island are snakes most often seen?+
Snakes turn up most along sunny edges where cover and prey meet. Wooded borders, old fields, stone walls, and the margins of ponds and streams are all reliable. Look under flat rocks, logs, boards, and yard debris where snakes shelter and warm up. The northern water snake is regularly seen basking on rocks and logs at the edge of ponds and slow streams or swimming with its head above the surface. Garter and brown snakes are common in suburban yards, gardens, and parks. Ring-necked snakes hide under bark and stones in moist woods. Smooth green snakes prefer grassy fields and meadows. Coastal scrub, refuge trails, and management areas across the state all hold snakes through the warm months.
5. When is the best season to spot snakes in Rhode Island?+
Snakes are most active from April through October. Spring and early fall, on warm sunny days, you will often find them basking on rocks, walls, and paths to raise their body temperature. In the heat of summer they are more active in the cooler hours, so early morning and late afternoon are the best times to look. After a warm rain is especially good, since prey is moving. As nights cool in October the snakes head for hibernation sites below the frost line. Through the cold months they stay underground and are nearly impossible to find.
6. How do I tell a harmless snake from a dangerous one in Rhode Island?+
In Rhode Island this is simple, because every snake in the state is harmless. There is no venomous species to worry about. Even so, a few harmless snakes bluff well. The eastern milk snake vibrates its tail in dry leaves to mimic a rattle, but it has a slender head and no rattle. The northern water snake flattens its head and body and can look stout and aggressive, yet it is not venomous. The eastern hognose flares its neck and may play dead. None of these displays signals real danger. The safe and respectful move with any snake is to watch it from a step or two back and let it move along on its own.
8. Which snakes show up in Rhode Island yards and gardens?+
A few species are happy living close to people. The common garter snake is the one most homeowners see, often near compost, woodpiles, and garden beds where it hunts worms, slugs, and small frogs. DeKay's brown snake is small and easy to overlook, and it spends much of its time under mulch, boards, and flat stones eating slugs and earthworms, which makes it a quiet help in the garden. The eastern milk snake sometimes moves into barns, sheds, and basements following mice. The eastern racer and the ring-necked snake may pass through wooded yards near stone walls. All of these are harmless. If one turns up, you can leave it alone or gently encourage it toward cover. See ourRhode Island snake guidefor the next step.
9. Which water snakes live in Rhode Island, and are any dangerous?+
The only true water snake in Rhode Island is the northern water snake, and it is not dangerous. It is a thick, strongly patterned snake that swims well and is often found basking at the edge of ponds, lakes, and slow streams. Because it is bold and will stand its ground, it is the snake people most often mistake for a venomous one. Rhode Island has no water moccasins, also called cottonmouths, which do not range this far north, so any snake you see in the water here is harmless. The eastern ribbon snake and the common garter snake also hunt near water and swim readily, but they are slender striped snakes rather than the heavy banded water snake.
10. How many snake species are in Rhode Island?+
Rhode Island is home to roughly a dozen snake species, and the list is modest because the state is small and its winters are cold. The species most field guides and state sources include are the common garter, eastern ribbon, northern water, eastern milk, northern ring-necked, northern red-bellied, smooth green, eastern racer, DeKay's brown, and the uncommon eastern hognose. The timber rattlesnake was historically present and is the only venomous species ever recorded, but it is now extirpated and not counted among the snakes living in the state today. Counts can differ slightly between sources depending on how rare and historical records are treated, so you may see a number a little above or below twelve. Learn more on oursnakes overviewfor the next step.
Keep exploring
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