44 Snakes Found In Oklahoma With Pictures

The Sooner State is no stranger to snakes. There are a wide variety of venomous and non-venomous snakes within the state, including five different species of rattlesnake. We’ve compiled a list below to make you more familiar with the snake species that call Oklahoma their home. We’ll touch base on lifespan, size, preferred prey, and much more. 44 Snakes Found in Oklahoma

Venomous Species

1. Copperhead Image Credit: Shiela Brown, Public Domain Pictures

Species: Agkistrodon contortrix, Agkistrodon laticinctus

Longevity: 15-20 years

Good to own as a pet?: No

Legal to own?: Yes, with a permit

Adult size: 22-36 inches

Diet: Small rodents, lizards, frogs, insects

Found in woodland and rocky areas near bodies of freshwater, the venomous Copperhead has a pattern and coloration that allows them to blend well in its leafy habitat.

2. Northern Cottonmouth

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Species: Agkistrodon piscivorus

Longevity: 8-15 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 20-42 inches

Diet: Fish, amphibians, birds

The venomous cottonmouth, also known as the water moccasin, is known for opening their mouths in a defensive posture and displaying the white cotton-like coloration inside.

3. Timber Rattlesnake Image Credit: Paul Staniszewski, Shutterstock

Species: Crotalus horridus

Longevity: 10-20 years

Good to own as a pet?: No

Legal to own?: Yes, with a permit

Adult size: 35-54 inches

Diet: Rodents

This striking species of rattlesnake is also referred to as a “velvet tail” because of the black velvety coloration on the tail. This species is commonly found in southeastern Oklahoma.

4. Western Diamondback Rattlesnake Image Credit: CHDPhoto, Shutterstock

Species: Crotalus atrox

Longevity: 15-20 years

Good to own as a pet?: No

Legal to own?: Yes, with a permit

Adult size: 32-82 inches

Diet: Rodents, rabbits, birds

This is the largest of the western United States’ rattlesnakes. This species is identified by the dark diamonds on its back that are outlined by white coloration.

5. Western Massaugua Rattlesnake

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Species: Sistrurus tergeminus

Longevity: 10-20 years

Good to own as a pet?: No

Legal to own?: Yes, with a permit

Adult size: 18-30 inches

Diet: Small rodents, lizards, frogs

Massasauga means “great river mouth” in the Chippewa language. This smaller rattler frequents the grasslands, prairies, rocky hillsides, and swampy marshlands.

6. Western Pygmy Rattlesnake Image Credit: James DeBoer, Shutterstock

Species: Sistrurus miliarius streckeri

Longevity: 15-25 years

Good to own as a pet?: No

Legal to own?: Yes, with a permit

Adult size: 15-24 inches

Diet: Mice, lizards, small snakes, insects

This is the smallest of Oklahoma’s rattlesnakes, they are also referred to as the “ground rattler” by some Oklahomans.

7. Prairie Rattlesnake

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Species: Crotalus viridus

Longevity: 15-20 years

Good to own as a pet?: No

Legal to own?: Yes, with a permit

Adult size: 32-46 inches

Diet: Rodents, lizards, birds

This small, venomous rattlesnake is named after its locality, the prairie. This species will only be found in the Oklahoma panhandle and the very far western portion of the state.

Non-Venomous Species 8. Broad-Banded Watersnake Image Credit: Brandy McKnight, Shutterstock

Species: Nerodia fasciata confluens

Longevity: 3-8 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 20-60 inches

Diet: Fish, frogs, tadpoles

This snake is often observed basking in the morning sun after a night full of hunting for frogs. They are only found in the furthest southeastern tip of Oklahoma near bodies of water.

9. Bullsnake

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Species: Pituophis catenifer sayi

Longevity: 12-30 years

Good to own as a pet?: Yes

Legal to own?: Yes

Adult size: 48-72 inches

Diet: Rodents, birds, lizards

The bullsnake is found in all areas of Oklahoma except for the southeastern portion of the state. It likes the prairies, pine-oak woodlands, fields, and open brushland.

10. Coachwhip Image Credit: Rusty Dodson, Shutterstock

Species: Masticophis flagellum testaceus Masticophis flagellum flagellum

Longevity: 10-16 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 36-82 inches

Diet: Rodents, snakes, lizards, grasshoppers, cicadas

One of the longest and fastest snakes in Oklahoma, there are two subspecies in the state: The Eastern Coachwhip (Masticophis flagellum flagellum) and the Western Coachwhip (Masticohis flagellum testaceus). They are active during the heat of the day and located all over the state.

11. Common Gartersnake Image Credit: PublicDomainImages, Pixabay

Species: Thamnophis sirtalis

Longevity: 4-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 18-48 inches

Diet: Frogs, toads, earthworms, small rodents

Also known as the “grass snake,” this species has a thick yellow to orangish-red dorsal stripe that runs down the center of the back from head to tail.

12. DeKay’s Brownsnake

Image Credit: Frode Jacobsen, Shutterstock

Species: Storeria dekayi

Longevity: 5-7 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 10-15 inches

Diet: Slugs, snails, earthworms

This species is named after James Ellsworth De Kay, a New York naturalist. They can be found in woodlands, marshes, and urban dwellings.

13. Diamond-backed Watersnake

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Species: Nerodia rhombifer

Longevity: 8-12 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 30-48 inches

Diet: Fish, frogs

This snake’s habitat consists of ponds, lakes, streams, rivers, and wetland areas. As with most water snakes, they can be confused with the venomous cottonmouth. These snakes are non-venomous but will emit a foul-smelling musk when intimidated.

14. Eastern Hog-nosed Snake Image Credit: Ryan M. Bolton, Shutterstock

Species: Heterodon platirhinos

Longevity: 15-20 years

Good to own as a pet?: Yes

Legal to own?: Yes

Adult size: 20-40 inches

Diet: Toads, frogs

Dispersed through most of Oklahoma, except for the far west portion of the panhandle, the Eastern Hognose is known for its dramatic. When threatened they will bluff by spreading out its neck and hissing. If the threat goes undeterred, it will play dead. They have upturned, pointy snouts.

15. Flat-headed Snake

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Species: Tantilla gracilis

Longevity: 4-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 7-8 inches

Diet: Centipedes, slugs, insects

Similar to the black-headed snake, this species dwells in rocky prairies and wooded hillsides throughout eastern and central Oklahoma.

16. Graham’s Crayfish Snake Image Credit: Rusty Dodson, Shutterstock

Species: Regina grahamii

Longevity: 6-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 18-30 inches

Diet: Crayfish, frogs, snails

Named after their most beloved prey, the crayfish. this snake is active during the day. Their found in crayfish territory near ponds, creeks, and streams and will occasionally feast on frogs and snails.

17. Great Plains Ratsnake

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Species: Pantherophis emoryi

Longevity: 10-30 years

Good to own as a pet?: Yes

Legal to own?: Yes

Adult size: 24-36 inches

Diet: Rodents, bats, birds

This nocturnal snake is an excellent climber. It is distributed throughout the entire state of Oklahoma and is often found in trees, searching for its prey.

18. Kansas Glossy Snake Image Credit: Matt Jeppson, Shutterstock

Species: Arizona elegans elegans

Longevity: 15-20 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 25-36 inches

Diet: Lizards, small rodents

Found in the sandy, open areas in western Oklahoma, including the panhandle, this snake has shiny smooth scales and will vibrate its tail when threatened.

19. Lined Snake

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Species: Tropidoclonion lineatum

Longevity: 4-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 7-16 inches

Diet: Earthworms

​Lined snakes are nocturnal and can often be found in more urban settings. They are typically found underneath debris or piles of trash. They will emit musk when captured but rarely ever bite.

20. Long-nosed Snake Image Credit: Hairulazuar, Shutterstock

Species: Rhinocheilus lecontei

Longevity: 12-20 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 20-36 inches

Diet: Lizards, eggs, snakes, rodents

Located in the dry prairies of western Oklahoma, this snake is a nocturnal burrower. Its defense is to hide its head in its coils, vibrate its tail, and discharge a fluid made up of blood, musk, and fecal matter.

21. Marcy’s Checkered Gartersnake

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Species: Thamnophis marcianus marcianus

Longevity: 4-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 18-36 inches

Diet: Frogs, fish, crayfish

With a prominent black checkered pattern, this species is active during the day and is found near water sources of the dry grasslands of western Oklahoma.

22. Northern Red-bellied Snake Image Credit: Mike Wilhelm, Shutterstock

Species: Storeria occipitomaculata occipitomaculata

Longevity: 3-5 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 8-14 inches

Diet: CSlugs, earthworms, insects

As the name suggests, this tiny snake has a red-colored belly and is found in the woodlands of Oklahoma.

23. Northern Watersnake

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Species: Nerodia sipedon

Longevity: 8-12 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 20-42 inches

Diet: Fish, Frogs

This species is located in eastern Oklahoma and dwells near bodies of water. They can emit a foul-smelling musk when threatened. They can be aggressive if you are perceived as a threat. It is easy to mistake this species for the venomous cottonmouth but are not dangerous.

24. Orange-striped Ribbonsnake Image Credit: Mike Wilhelm, Shutterstock

Species: Thamnophis proximus proximus

Longevity: 15-20 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 18-36 inches

Diet: Frogs, tadpoles, small fish

This species is closely related to the garter snakes and resides near water. It has a black body with three orange stripes that run the length of the body, with the mid-dorsal stripe being the most vibrant.

25. Plain-bellied Watersnake

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Species: Nerodia erythrogaster

Longevity: 8-12 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 30-48 inches

Diet: Fish, frogs, tadpoles, salamanders

This harmless snake is occasionally confused with the venomous cottonmouth. They are seen basking on logs and rocks near the water. They can emit a foul-smelling musk and can get aggressive when threatened. They make their homes near bodies of fresh water.

26. Plains Black-headed Snake

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Species: Tantilla nigriceps

Longevity: 4-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 10-12 inches

Diet: Centepedes, insect larvae

This species is named for its blackhead. The rest of the body is either brown or gray. They are often found in rocky or grassy prairies, and occasionally hillsides within the moist soil.

27. Plains Gartersnake Image Credit: tdfugere, Pixabay

Species: Thamnophis radix

Longevity: 4-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 20-36 inches

Diet: Frogs, salamanders, earthworms, small rodents

​The garter snake is the most widely distributed snake across the continent and is found all over Oklahoma. They are harmless and easily identified by the thick dorsal stripe that runs down the center of the back from head to tail.

28. Plains Hog-nosed Snake Image Credit: Talllly, Shutterstock

Species: Heterodon nasicus

Longevity: 15-20 years

Good to own as a pet?: Yes

Legal to own?: Yes

Adult size: 16-30 inches

Diet: Toads, birds, rodents, snakes, lizards

This snake is named for its signature pointed, upturned snout. Hog-nosed snakes are rear-fanged. Their saliva has been found to have some toxic properties that only affect their prey. They are no danger to humans.

29. Prairie Kingsnake

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Species: Lampropeltis calligaster

Longevity: 12-30 years

Good to own as a pet?: Yes

Legal to own?: Yes

Adult size: 30-48 inches

Diet: Snakes, rodents, lizards

The prairie kingsnake spends the day under rocks, brush, or inside of burrows.  Kingsnakes eat other snakes and are unharmed by the bite of any of the native venomous snakes here in Oklahoma.

30. Racer Image Credit: Hwall, Shutterstock

Species: Coluber constrictor

Longevity: 8-12 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 34-60 inches

Diet: Small rodents, birds, lizards, snakes, frogs, insects

This is a harmless, widely distributed snake in Oklahoma. They may vibrate their tail when disturbed or threatened. Racers do not back down when cornered, they tend to have a more aggressive nature when defending themselves. There are two subspecies of Racer found in Oklahoma. The Southern Black Racer (Coluber constrictor priapus.) The adults are black with either blue to cream-colored bellies. Then there is the Eastern Yellow-Bellied Racer (Coluber constrictor flaviventris).

31. Ring-necked snake Image Credit: Heptinstall, Shutterstock

Species: Diadophis punctatus

Longevity: 10-20 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 10-14 inches

Diet: Earthworms, slugs, small salamanders, lizards

The ring-necked snake is located all over Oklahoma. When disturbed, it will coil its tail and flip over to expose its bright red coloration on the underside.

32. Rough Earthsnake

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Species: Haldea striatula

Longevity: 7-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 7-10 inches

Diet: Earthworms, slugs, snails

​This secretive snake is commonly found under the cover of logs, rocks, and other debris and is located all over the eastern portion of Oklahoma.

33. Rough Greensnake Image Credit: Jason Patrick Ross, Shutterstock

Species: Opheodrys aestivus

Longevity: 10-15 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 20-40 inches

Diet: Crickets, grasshoppers, spiders, and caterpillars

​This snake’s vibrant green coloration provides camouflage among the shrubs, vines, bushes, and trees in its habitat. They are excellent climbers and swimmers.

34. Scarletsnake Image Credit: Jay Ondreicka, Shutterstock

Species: Cemophora coccinea

Longevity: 5-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 14-24 inches

Diet: Snakes, lizards and their eggs, and small rodents

​This is a more secretive species. This snake is nocturnal and spends most of its time underground or under rocks and rotting logs.

35. Speckled Kingsnake

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Species: Lampropeltis holbrooki

Longevity: 10-20 years

Good to own as a pet?: Yes

Legal to own?: Yes

Adult size: 36 – 48 inches

Diet: Rodents, lizards, birds, snakes

This snake is often called “salt and pepper snake” due to its coloration. It is unaffected by the venomous bites of native venomous snakes and often eats them.

36. Texas Nightsnake Image Credit: Rusty Dodson, Shutterstock

Species: Hypsiglena jani texana

Longevity: 8-12 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 12-16 inches

Diet: Small lizards, frogs

This snake is rear-fanged and uses mildly toxic saliva to subdue its prey. It poses no threat to humans. It is a nocturnal species that are rarely seen during the day. It spends that time hidden away under rocks and logs.

37. Threadsnake

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Species: Rena dissectus

Longevity: 4-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 5-10 inches

Diet: Eggs, larvae, and pupae of termites and ants

Found on stony hillsides and the prairie of Oklahoma, the thread snake is a burrowing snake that is found in damp soil under logs and rocks.

38. Variable Groundsnake Image Credit: Rusty Dodson, Shutterstock

Species: Sonora semiannulata semiannulata

Longevity: 6 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 8-15 inches

Diet: Centipedes, scorpions, spiders, insects

39. Western Black-necked garter snake Image Credit: Luis Mac, Shutterstock

Species: Thamnophis cyrtopsis cyrtopsis

Longevity: 4-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 30-42 inches

Diet: Small fish, small amphibians

The western black neck gartnersnake is actually a water snake that lives near rivers, swims, and typically eats small fish and tadpoles.

40. Western Milksnake Image Credit: TheTexasNaturalist, Shutterstock

Species: Lampropeltis gentilis

Longevity: 15-20 years

Good to own as a pet?: Yes

Legal to own?: Yes

Adult size: 16-36 inches

Diet: Rodents, lizards, snakes

Open prairies, woodlands, and farmland are where the western milksnake resides. This species mates in the spring and lays 2 to 20 eggs at a time.

41. Western Mudsnake

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Species: Farancia abacura reinwardtii

Longevity: 6 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 38-60 inches

Diet: Amphibians, crayfish

Native to Oklahoma’s floodplains and swampy areas, this snake is nocturnal and is commonly seen crossing roads in swampy areas on rainy nights.

42. Western Smooth Earthsnake Image Credit: Dylan Wallace, Shutterstock

Species: Virginia valeriae elegans

Longevity: 7-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 7-10 inches

Diet: Earthworms, slugs, snails, insects

Located in damp woodlands, wooded urban areas, and rocky, wooded hillsides you will often see this species surface after heavy rains.

43. Western Ratsnake Image credit: Pixabay

Species: Pantherophis obsoletus

Longevity: 20-30 years

Good to own as a pet?: Yes

Legal to own?: Yes

Adult size: 34-72 inches

Diet: Rodents, birds, eggs, lizards

Commonly known in Oklahoma as the black ratsnake, this species is found in the wooded forests canyons, open fields, and farmlands of the state.

44. Western Wormsnake

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Species: Carphophis vermis

Longevity: 3-5 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 8-11 inches

Diet: Earthworms, insects, centipedes

Found in the most woodland and grassy hillsides near streams, this snake is small and round with a purplish red top and a pink belly. Final Thoughts Oklahoma may just be a snake-lovers paradise, as it has no shortage of variety. It is not recommended to take a wild snake from its habitat and make it into a pet. Some of these species can make great pets but you will want to locate a breeder that can offer you a captive-bred animal. You can own the venomous snakes in Oklahoma if you obtain a permit. It is not recommended to own these snakes unless you are a very experienced handler. Venomous snakes are potentially deadly to humans and should be met with extreme caution. Learn about the snakes in different regions with one of these related posts:

13 Snakes Found in Tennessee (With Pictures) 12 Snakes Found in Illinois (With Pictures) 11 Snakes Found in Michigan (With Pictures)

Featured Image Credit: _Jean Beaufort, Public Domain Pictures

The Sooner State is no stranger to snakes. There are a wide variety of venomous and non-venomous snakes within the state, including five different species of rattlesnake.

We’ve compiled a list below to make you more familiar with the snake species that call Oklahoma their home. We’ll touch base on lifespan, size, preferred prey, and much more.

44 Snakes Found in Oklahoma

Venomous Species

1. Copperhead

Species: Agkistrodon contortrix, Agkistrodon laticinctus

Longevity: 15-20 years

Good to own as a pet?: No

Legal to own?: Yes, with a permit

Adult size: 22-36 inches

Diet: Small rodents, lizards, frogs, insects

Found in woodland and rocky areas near bodies of freshwater, the venomous Copperhead has a pattern and coloration that allows them to blend well in its leafy habitat.

2. Northern Cottonmouth

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Species: Agkistrodon piscivorus

Longevity: 8-15 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 20-42 inches

Diet: Fish, amphibians, birds

The venomous cottonmouth, also known as the water moccasin, is known for opening their mouths in a defensive posture and displaying the white cotton-like coloration inside.

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3. Timber Rattlesnake

Species: Crotalus horridus

Longevity: 10-20 years

Good to own as a pet?: No

Legal to own?: Yes, with a permit

Adult size: 35-54 inches

Diet: Rodents

This striking species of rattlesnake is also referred to as a “velvet tail” because of the black velvety coloration on the tail. This species is commonly found in southeastern Oklahoma.

4. Western Diamondback Rattlesnake

Species: Crotalus atrox

Longevity: 15-20 years

Good to own as a pet?: No

Legal to own?: Yes, with a permit

Adult size: 32-82 inches

Diet: Rodents, rabbits, birds

This is the largest of the western United States’ rattlesnakes. This species is identified by the dark diamonds on its back that are outlined by white coloration.

5. Western Massaugua Rattlesnake

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Species: Sistrurus tergeminus

Longevity: 10-20 years

Good to own as a pet?: No

Legal to own?: Yes, with a permit

Adult size: 18-30 inches

Diet: Small rodents, lizards, frogs

Massasauga means “great river mouth” in the Chippewa language. This smaller rattler frequents the grasslands, prairies, rocky hillsides, and swampy marshlands.

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6. Western Pygmy Rattlesnake

Species: Sistrurus miliarius streckeri

Longevity: 15-25 years

Good to own as a pet?: No

Legal to own?: Yes, with a permit

Adult size: 15-24 inches

Diet: Mice, lizards, small snakes, insects

This is the smallest of Oklahoma’s rattlesnakes, they are also referred to as the “ground rattler” by some Oklahomans.

7. Prairie Rattlesnake

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Species: Crotalus viridus

Longevity: 15-20 years

Good to own as a pet?: No

Legal to own?: Yes, with a permit

Adult size: 32-46 inches

Diet: Rodents, lizards, birds

This small, venomous rattlesnake is named after its locality, the prairie. This species will only be found in the Oklahoma panhandle and the very far western portion of the state.

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Non-Venomous Species

8. Broad-Banded Watersnake

Species: Nerodia fasciata confluens

Longevity: 3-8 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 20-60 inches

Diet: Fish, frogs, tadpoles

This snake is often observed basking in the morning sun after a night full of hunting for frogs. They are only found in the furthest southeastern tip of Oklahoma near bodies of water.

9. Bullsnake

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Species: Pituophis catenifer sayi

Longevity: 12-30 years

Good to own as a pet?: Yes

Legal to own?: Yes

Adult size: 48-72 inches

Diet: Rodents, birds, lizards

The bullsnake is found in all areas of Oklahoma except for the southeastern portion of the state. It likes the prairies, pine-oak woodlands, fields, and open brushland.

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10. Coachwhip

Species: Masticophis flagellum testaceus Masticophis flagellum flagellum

Longevity: 10-16 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 36-82 inches

Diet: Rodents, snakes, lizards, grasshoppers, cicadas

One of the longest and fastest snakes in Oklahoma, there are two subspecies in the state: The Eastern Coachwhip (Masticophis flagellum flagellum) and the Western Coachwhip (Masticohis flagellum testaceus). They are active during the heat of the day and located all over the state.

Masticophis flagellum flagellum

11. Common Gartersnake

Species: Thamnophis sirtalis

Longevity: 4-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 18-48 inches

Diet: Frogs, toads, earthworms, small rodents

Also known as the “grass snake,” this species has a thick yellow to orangish-red dorsal stripe that runs down the center of the back from head to tail.

12. DeKay’s Brownsnake

Species: Storeria dekayi

Longevity: 5-7 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 10-15 inches

Diet: Slugs, snails, earthworms

This species is named after James Ellsworth De Kay, a New York naturalist. They can be found in woodlands, marshes, and urban dwellings.

13. Diamond-backed Watersnake

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Species: Nerodia rhombifer

Longevity: 8-12 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 30-48 inches

Diet: Fish, frogs

This snake’s habitat consists of ponds, lakes, streams, rivers, and wetland areas. As with most water snakes, they can be confused with the venomous cottonmouth. These snakes are non-venomous but will emit a foul-smelling musk when intimidated.

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14. Eastern Hog-nosed Snake

Species: Heterodon platirhinos

Longevity: 15-20 years

Good to own as a pet?: Yes

Legal to own?: Yes

Adult size: 20-40 inches

Diet: Toads, frogs

Dispersed through most of Oklahoma, except for the far west portion of the panhandle, the Eastern Hognose is known for its dramatic. When threatened they will bluff by spreading out its neck and hissing. If the threat goes undeterred, it will play dead. They have upturned, pointy snouts.

15. Flat-headed Snake

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Species: Tantilla gracilis

Longevity: 4-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 7-8 inches

Diet: Centipedes, slugs, insects

Similar to the black-headed snake, this species dwells in rocky prairies and wooded hillsides throughout eastern and central Oklahoma.

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A post shared by Zack Vegso 🐍 (@herpetology.zv)

16. Graham’s Crayfish Snake

Species: Regina grahamii

Longevity: 6-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 18-30 inches

Diet: Crayfish, frogs, snails

Named after their most beloved prey, the crayfish. this snake is active during the day. Their found in crayfish territory near ponds, creeks, and streams and will occasionally feast on frogs and snails.

17. Great Plains Ratsnake

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Species: Pantherophis emoryi

Longevity: 10-30 years

Good to own as a pet?: Yes

Legal to own?: Yes

Adult size: 24-36 inches

Diet: Rodents, bats, birds

This nocturnal snake is an excellent climber. It is distributed throughout the entire state of Oklahoma and is often found in trees, searching for its prey.

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A post shared by Bob Ferguson (@bob_ferguson_fascinature)

18. Kansas Glossy Snake

Species: Arizona elegans elegans

Longevity: 15-20 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 25-36 inches

Diet: Lizards, small rodents

Found in the sandy, open areas in western Oklahoma, including the panhandle, this snake has shiny smooth scales and will vibrate its tail when threatened.

19. Lined Snake

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Species: Tropidoclonion lineatum

Longevity: 4-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 7-16 inches

Diet: Earthworms

​Lined snakes are nocturnal and can often be found in more urban settings. They are typically found underneath debris or piles of trash. They will emit musk when captured but rarely ever bite.

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A post shared by Aaron Butler (@therichestfare)

20. Long-nosed Snake

Species: Rhinocheilus lecontei

Longevity: 12-20 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 20-36 inches

Diet: Lizards, eggs, snakes, rodents

Located in the dry prairies of western Oklahoma, this snake is a nocturnal burrower. Its defense is to hide its head in its coils, vibrate its tail, and discharge a fluid made up of blood, musk, and fecal matter.

21. Marcy’s Checkered Gartersnake

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Species: Thamnophis marcianus marcianus

Longevity: 4-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 18-36 inches

Diet: Frogs, fish, crayfish

With a prominent black checkered pattern, this species is active during the day and is found near water sources of the dry grasslands of western Oklahoma.

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A post shared by Micah Hanbury (@a_wild_hanbury_has_appeared)

22. Northern Red-bellied Snake

Species: Storeria occipitomaculata occipitomaculata

Longevity: 3-5 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 8-14 inches

Diet: CSlugs, earthworms, insects

As the name suggests, this tiny snake has a red-colored belly and is found in the woodlands of Oklahoma.

23. Northern Watersnake

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Species: Nerodia sipedon

Longevity: 8-12 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 20-42 inches

Diet: Fish, Frogs

This species is located in eastern Oklahoma and dwells near bodies of water. They can emit a foul-smelling musk when threatened. They can be aggressive if you are perceived as a threat. It is easy to mistake this species for the venomous cottonmouth but are not dangerous.

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A post shared by Eric Rosenthal (@lostinthewoods18)

24. Orange-striped Ribbonsnake

Species: Thamnophis proximus proximus

Longevity: 15-20 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 18-36 inches

Diet: Frogs, tadpoles, small fish

This species is closely related to the garter snakes and resides near water. It has a black body with three orange stripes that run the length of the body, with the mid-dorsal stripe being the most vibrant.

25. Plain-bellied Watersnake

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Species: Nerodia erythrogaster

Longevity: 8-12 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 30-48 inches

Diet: Fish, frogs, tadpoles, salamanders

This harmless snake is occasionally confused with the venomous cottonmouth. They are seen basking on logs and rocks near the water. They can emit a foul-smelling musk and can get aggressive when threatened. They make their homes near bodies of fresh water.

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A post shared by Emma A Browning (@herpetologistemma)

26. Plains Black-headed Snake

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Species: Tantilla nigriceps

Longevity: 4-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 10-12 inches

Diet: Centepedes, insect larvae

This species is named for its blackhead. The rest of the body is either brown or gray. They are often found in rocky or grassy prairies, and occasionally hillsides within the moist soil.

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A post shared by David Kelley (@kelley_herpetoculture)

27. Plains Gartersnake

Species: Thamnophis radix

Longevity: 4-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 20-36 inches

Diet: Frogs, salamanders, earthworms, small rodents

​The garter snake is the most widely distributed snake across the continent and is found all over Oklahoma. They are harmless and easily identified by the thick dorsal stripe that runs down the center of the back from head to tail.

28. Plains Hog-nosed Snake

Species: Heterodon nasicus

Longevity: 15-20 years

Good to own as a pet?: Yes

Legal to own?: Yes

Adult size: 16-30 inches

Diet: Toads, birds, rodents, snakes, lizards

This snake is named for its signature pointed, upturned snout. Hog-nosed snakes are rear-fanged. Their saliva has been found to have some toxic properties that only affect their prey. They are no danger to humans.

29. Prairie Kingsnake

Species: Lampropeltis calligaster

Longevity: 12-30 years

Good to own as a pet?: Yes

Legal to own?: Yes

Adult size: 30-48 inches

Diet: Snakes, rodents, lizards

The prairie kingsnake spends the day under rocks, brush, or inside of burrows.  Kingsnakes eat other snakes and are unharmed by the bite of any of the native venomous snakes here in Oklahoma.

30. Racer

Species: Coluber constrictor

Longevity: 8-12 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 34-60 inches

Diet: Small rodents, birds, lizards, snakes, frogs, insects

This is a harmless, widely distributed snake in Oklahoma. They may vibrate their tail when disturbed or threatened. Racers do not back down when cornered, they tend to have a more aggressive nature when defending themselves. There are two subspecies of Racer found in Oklahoma. The Southern Black Racer (Coluber constrictor priapus.) The adults are black with either blue to cream-colored bellies. Then there is the Eastern Yellow-Bellied Racer (Coluber constrictor flaviventris).

31. Ring-necked snake

Species: Diadophis punctatus

Longevity: 10-20 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 10-14 inches

Diet: Earthworms, slugs, small salamanders, lizards

The ring-necked snake is located all over Oklahoma. When disturbed, it will coil its tail and flip over to expose its bright red coloration on the underside.

32. Rough Earthsnake

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Species: Haldea striatula

Longevity: 7-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 7-10 inches

Diet: Earthworms, slugs, snails

​This secretive snake is commonly found under the cover of logs, rocks, and other debris and is located all over the eastern portion of Oklahoma.

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A post shared by TCRherps (@tcrherps)

33. Rough Greensnake

Species: Opheodrys aestivus

Longevity: 10-15 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 20-40 inches

Diet: Crickets, grasshoppers, spiders, and caterpillars

​This snake’s vibrant green coloration provides camouflage among the shrubs, vines, bushes, and trees in its habitat. They are excellent climbers and swimmers.

34. Scarletsnake

Species: Cemophora coccinea

Longevity: 5-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 14-24 inches

Diet: Snakes, lizards and their eggs, and small rodents

​This is a more secretive species. This snake is nocturnal and spends most of its time underground or under rocks and rotting logs.

35. Speckled Kingsnake

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Species: Lampropeltis holbrooki

Longevity: 10-20 years

Good to own as a pet?: Yes

Legal to own?: Yes

Adult size: 36 – 48 inches

Diet: Rodents, lizards, birds, snakes

This snake is often called “salt and pepper snake” due to its coloration. It is unaffected by the venomous bites of native venomous snakes and often eats them.

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A post shared by Armando Palacios (@drymarchon_melanurus_rubidus)

36. Texas Nightsnake

Species: Hypsiglena jani texana

Longevity: 8-12 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 12-16 inches

Diet: Small lizards, frogs

This snake is rear-fanged and uses mildly toxic saliva to subdue its prey. It poses no threat to humans. It is a nocturnal species that are rarely seen during the day. It spends that time hidden away under rocks and logs.

37. Threadsnake

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Species: Rena dissectus

Longevity: 4-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 5-10 inches

Diet: Eggs, larvae, and pupae of termites and ants

Found on stony hillsides and the prairie of Oklahoma, the thread snake is a burrowing snake that is found in damp soil under logs and rocks.

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A post shared by Michael Ruff (@ruff_herper)

38. Variable Groundsnake

Species: Sonora semiannulata semiannulata

Longevity: 6 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 8-15 inches

Diet: Centipedes, scorpions, spiders, insects

39. Western Black-necked garter snake

Species: Thamnophis cyrtopsis cyrtopsis

Longevity: 4-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 30-42 inches

Diet: Small fish, small amphibians

The western black neck gartnersnake is actually a water snake that lives near rivers, swims, and typically eats small fish and tadpoles.

40. Western Milksnake

Species: Lampropeltis gentilis

Longevity: 15-20 years

Good to own as a pet?: Yes

Legal to own?: Yes

Adult size: 16-36 inches

Diet: Rodents, lizards, snakes

Open prairies, woodlands, and farmland are where the western milksnake resides. This species mates in the spring and lays 2 to 20 eggs at a time.

41. Western Mudsnake

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Species: Farancia abacura reinwardtii

Longevity: 6 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 38-60 inches

Diet: Amphibians, crayfish

Native to Oklahoma’s floodplains and swampy areas, this snake is nocturnal and is commonly seen crossing roads in swampy areas on rainy nights.

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A post shared by Oscar Villa (@oscar_2442_)

42. Western Smooth Earthsnake

Species: Virginia valeriae elegans

Longevity: 7-10 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 7-10 inches

Diet: Earthworms, slugs, snails, insects

Located in damp woodlands, wooded urban areas, and rocky, wooded hillsides you will often see this species surface after heavy rains.

43. Western Ratsnake

Species: Pantherophis obsoletus

Longevity: 20-30 years

Good to own as a pet?: Yes

Legal to own?: Yes

Adult size: 34-72 inches

Diet: Rodents, birds, eggs, lizards

Commonly known in Oklahoma as the black ratsnake, this species is found in the wooded forests canyons, open fields, and farmlands of the state.

44. Western Wormsnake

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Species: Carphophis vermis

Longevity: 3-5 years

Good to own as a pet?: No

Legal to own?: Yes

Adult size: 8-11 inches

Diet: Earthworms, insects, centipedes

Found in the most woodland and grassy hillsides near streams, this snake is small and round with a purplish red top and a pink belly.

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A post shared by Evan G (@iowanaturalist)

Final Thoughts

Oklahoma may just be a snake-lovers paradise, as it has no shortage of variety. It is not recommended to take a wild snake from its habitat and make it into a pet. Some of these species can make great pets but you will want to locate a breeder that can offer you a captive-bred animal.

You can own the venomous snakes in Oklahoma if you obtain a permit. It is not recommended to own these snakes unless you are a very experienced handler. Venomous snakes are potentially deadly to humans and should be met with extreme caution.

Learn about the snakes in different regions with one of these related posts:

• 13 Snakes Found in Tennessee (With Pictures)
• 12 Snakes Found in Illinois (With Pictures)
• 11 Snakes Found in Michigan (With Pictures)

Featured Image Credit: _Jean Beaufort, Public Domain Pictures