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.

Click to Jump Ahead:

divider-snake The 44 Snakes Found in Oklahoma

The 7 Venomous Species

1. Copperhead

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

Northern Cottonmouth side view_Matt Jeppson_Shutterstock
Image Credit: Matt Jeppson, Shutterstock
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

Timber Rattlesnake_Paul Staniszewski_Shutterstock
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

Western Diamond-Baked Rattlesnake_K Handley CHDPhoto_Shutterstock
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 Massasauga Rattlesnake

Western Massaugua Rattlesnake
Image Credit: Peter Paplanus, Shutterstock
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

Western Pygmy Rattlesnake_James DeBoer_Shutterstock
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

Prairie rattlesnake ready to strike
Image Credit: Harris Motion Photo, Shutterstock
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.

Divider-snake

The 37 Non-Venomous Species

8. Broad-Banded Water Snake

Broad-Banded Watersnake_Brandy McKnight_Shutterstock
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

Bull snake among the trees
Image Credit: Grayson Smith, Rawpixel
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

Masticophis flagellum testaceus_Rusty Dodson_Shutterstock
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 (Masticophis flagellum testaceus). They are active during the heat of the day and located all over the state.


11. Common Gartersnake

common garter snake
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

Dekay's Brownsnake_Frode Jacobsen_Shutterstock
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 Water Snake

Diamond-backed Watersnake
Image Credit: USFWS, Rawpixel
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 Hognose Snake

Eastern Hog-nosed Snake_Ryan M. Bolton_Shutterstock
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

A tiny Flat-headed snake in a persons hand
Image Credit: Creeping Things, Shutterstock
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

Graham’s Crayfish Snake_Rusty Dodson_Shutterstock
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 Rat Snake

Great Plains Rat Snake Pantherophis emoryi
Great Plains Rat Snake Pantherophis emoryi Image Credit: Peter Paplanus from St. Louis, Missouri, via Wikimedia Commons CC BY 2.0)
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

Kansas Glossy Snake_Matt Jeppson_Shutterstock
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

Lined Snake Tropidoclodion lineatum
Lined Snake Tropidoclodion lineatum (Image Credit: Peter Paplanus from St. Louis, Missouri, via Wikimedia Commons CC BY 2.0)
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

Long-nosed Snake_Hairulazuar_Shutterstock
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 Garter Snake

Marcys Checkered Gartersnake
Marcys Checkered Gartersnake (Image Credit: Andrew DuBois, Flickr)
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

Northern Red-bellied Snake_Mike Wilhelm_Shutterstock
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:Slugs, earthworms, insects

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


23. Northern Water Snake

Northern Watersnake (Nerodia sipedon sipedon)
Northern Watersnake (Nerodia sipedon sipedon) (Image Credit: Peter Paplanus, Flickr CC 2.0 Generic)
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 Ribbon Snake

western ribbon snake
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 Water Snake

Plain-bellied Watersnake Nerodia erythrogaster
Plain-bellied Watersnake Nerodia erythrogaster (Image Credit: William L. Farr, via Wikimedia Commons CC BY-SA 4.0 )
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

Plains Black-headed Snake
Plains Black-headed Snake (Image Credit: Heather Paul, Flickr)
Species:Tantilla nigriceps
Longevity:4–10 years
Good to own as a pet?:No
Legal to own?:Yes
Adult size:10–12 inches
Diet:Centipedes, 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 Garter Snake

garter snake
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 Hognose Snake

Plains Hog-nosed Snake side view_Talllly_Shutterstock
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. Hognose 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

Prairie Kingsnake
Image Credit: Matt Jeppson, Shutterstock
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

Racer Snake_Hwall_Shutterstock
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.


31. Ring-necked snake

Ring-necked snake_Tucker Heptinstall_Shutterstock
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 Earth Snake

Rough Earth Snake
Rough Earth Snake (Image Credit: Kyle Wiering, via Wikimedia Commons CC BY-SA 4.0)
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 Green Snake

Rough Green Snake
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. Scarlet Snake

scarlet kingsnake
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

Speckled King Snake Lampropeltis getula holbrooki
Speckled King Snake Lampropeltis getula holbrooki (Image Credit: Peter Paplanus from St. Louis, Missouri, via Wikimedia Commons CC BY 2.0
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

Texas Nightsnake_Rusty Dodson_Shutterstock
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

Threadsnake on the dirt
Threadsnake on the dirt (Image Credit: Andrew DuBois, Flickr)
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 Ground Snake

Variable Groundsnake_Rusty Dodson_Shutterstock
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

Western Black-necked garter snake_Luis Mac_Shutterstock
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-necked garter snake is actually a water snake that lives near rivers, swims, and typically eats small fish and tadpoles.


40. Western Milksnake

Louisiana Milk-snake
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

Western Mud Snake
Western Mud Snake (Image Credit: John Sullivan, via Wikimedia Commons CC BY-SA 3.0)
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

Western Smooth Earthsnake_Dylan Wallace_Shutterstock
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 Rat Snake

Black Rat Snake-Pixabay
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 rat snake, this species is found in the wooded forests canyons, open fields, and farmlands of the state.


44. Western Wormsnake

Western Worm Snake Carphophis vermis
Western Worm Snake Carphophis vermis (Image Credit: Peter Paplanus from St. Louis, Missouri, via Wikimedia CommonsCC BY 2.0)
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.

divider-snake 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:


Featured Image Credit: _Jean Beaufort, Public Domain Pictures