Snakes in Oklahoma: identification guide and best places to start

Yes, Oklahoma is home to a diverse range of snakes, from harmless garter snakes to venomous rattlesnakes. The state has over 40 species, with about three that are venomous. The best places to spot them are in grasslands, forests, and near water sources like streams, ponds, and wetlands. Start your search in the early morning or late evening during spring and fall when temperatures are mild and snakes are most active. Oklahoma's varied habitats from tallgrass prairies to rocky hillsides support snakes year-round, though you'll have the best sightings when the weather matches their activity patterns.

T

By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 2, 2026.

Northern Diamondback Watersnake photographed in Oklahoma

Northern Diamondback Watersnake · B. P. White CC BY-SA

Bullsnake photographed in Oklahoma

Bullsnake · RJ Baltierra CC BY

Rough Greensnake photographed in Oklahoma

Rough Greensnake · Shane Sherwood CC BY

Photos by iNaturalist observers, reused under the licence each observer chose.
Rare in Oklahoma
8
species recorded
1
GBIF records
April, May, June
peak months

Snakes are rare in Oklahoma, so you might also want:

Verified species, source iNaturalist

45 types of snakes recorded in Oklahoma

45 snake species have a verified observation record in Oklahoma across snakes (suborder Serpentes), each with at least 10 confirmed sightings. The full list, ranked by how often each is recorded, is below.

  • Western Ratsnake (Pantherophis obsoletus), a species recorded in Oklahoma1

    Western Ratsnake

    Pantherophis obsoletus

    2,036 records

    Public domain CC0

    Wikipedia
  • Plain-bellied Watersnake (Nerodia erythrogaster), a species recorded in Oklahoma2

    Plain-bellied Watersnake

    Nerodia erythrogaster

    1,855 records

    Mila Turov CC BY

    Wikipedia
  • DeKay's Brownsnake (Storeria dekayi), a species recorded in Oklahoma3

    DeKay's Brownsnake

    Storeria dekayi

    1,332 records

    Public domain CC0

    Wikipedia
  • Ring-necked Snake (Diadophis punctatus), a species recorded in Oklahoma4

    Ring-necked Snake

    Diadophis punctatus

    1,094 records

    Public domain CC0

    Wikipedia
  • Western Ribbon Snake (Thamnophis proximus), a species recorded in Oklahoma5

    Western Ribbon Snake

    Thamnophis proximus

    1,007 records

    Adam Cohen CC BY

    Wikipedia
  • Rough Greensnake (Opheodrys aestivus), a species recorded in Oklahoma6

    Rough Greensnake

    Opheodrys aestivus

    938 records

    Joseph McPhail CC BY

    Wikipedia
  • Diamondback Watersnake (Nerodia rhombifer), a species recorded in Oklahoma7

    Diamondback Watersnake

    Nerodia rhombifer

    920 records

    B. P. White CC BY-SA

    Wikipedia
  • Rough Earthsnake (Virginia striatula), a species recorded in Oklahoma8

    Rough Earthsnake

    Virginia striatula

    867 records

    Rich Sommer CC BY

    Wikipedia
  • Northern Cottonmouth (Agkistrodon piscivorus), a species recorded in Oklahoma9

    Northern Cottonmouth

    Agkistrodon piscivorus

    652 records

    kirk gardner CC BY

    Wikipedia
  • North American Racer (Coluber constrictor), a species recorded in Oklahoma10

    North American Racer

    Coluber constrictor

    588 records

    Peter Brastow CC BY

    Wikipedia
  • Common Garter Snake (Thamnophis sirtalis), a species recorded in Oklahoma11

    Common Garter Snake

    Thamnophis sirtalis

    569 records

    kclarksdnhmorg CC BY

    Wikipedia
  • Broad-banded Copperhead (Agkistrodon laticinctus), a species recorded in Oklahoma12

    Broad-banded Copperhead

    Agkistrodon laticinctus

    498 records

    Meghan Cassidy CC BY-SA

    Wikipedia

Also recorded in Oklahoma

#SpeciesRecords
13Speckled KingsnakeLampropeltis holbrooki485
14Common CoachwhipMasticophis flagellum458
15Gopher SnakePituophis catenifer429
16Lined SnakeTropidoclonion lineatum422
17Prairie KingsnakeLampropeltis calligaster386
18Timber RattlesnakeCrotalus horridus363
19Western Diamond-backed RattlesnakeCrotalus atrox332
20Pygmy RattlesnakeSistrurus miliarius289
21Eastern CopperheadAgkistrodon contortrix288
22Eastern Hognose SnakeHeterodon platirhinos286
23Flat-headed SnakeTantilla gracilis204
24Common WatersnakeNerodia sipedon190
25Graham's Crawfish SnakeRegina grahamii178
26Western MassasaugaSistrurus tergeminus170
27Great Plains Ground SnakeSonora episcopa170
28Prairie RattlesnakeCrotalus viridis125
29Western MilksnakeLampropeltis gentilis115
30Banded WatersnakeNerodia fasciata107
31Great Plains RatsnakePantherophis emoryi105
32Checkered Garter SnakeThamnophis marcianus95
33Western Worm SnakeCarphophis vermis94
34Plains Hognose SnakeHeterodon nasicus62
35Texas Blind SnakeRena dulcis62
36Glossy SnakeArizona elegans59
37MudsnakeFarancia abacura42
38Chihuahuan NightsnakeHypsiglena jani40
39Smooth EarthsnakeVirginia valeriae36
40Red-bellied SnakeStoreria occipitomaculata35
41Plains Black-headed SnakeTantilla nigriceps27
42Plains Garter SnakeThamnophis radix26
43Long-nosed SnakeRhinocheilus lecontei22
44ScarletsnakeCemophora coccinea14
45Glossy SwampsnakeLiodytes rigida10

Plus 2 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

18,352 verified observations on iNaturalist of snake have been recorded in Oklahoma, most often in April, May, June.

When snake are recorded in Oklahoma

Yes, Oklahoma is home to a diverse range of snakes, from harmless garter snakes to venomous rattlesnakes. The state has over 40 species, with about three that are venomous. The best places to spot them are in grasslands, forests, and near water sources like streams, ponds, and wetlands. Start your search in the early morning or late evening during spring and fall when temperatures are mild and snakes are most active. Oklahoma's varied habitats from tallgrass prairies to rocky hillsides support snakes year-round, though you'll have the best sightings when the weather matches their activity patterns.

Where are snakes most commonly found in Oklahoma?

Snakes in Oklahoma are most commonly found in areas with plenty of cover and prey. Look for them in tallgrass prairies, rocky hillsides, and along the edges of forests. They are also frequent near ponds, streams, and wetlands where they hunt frogs and rodents. Backyards with woodpiles or tall grass can also attract them. For more details on snake habitats, check out ourOklahoma wildlife hub.

In Oklahoma, snakes sightings usually improve when you slow down and match your first stop to where people are most likely to notice them. Use thestate wildlife huband theroute guideto narrow your first area, then check access, weather, and distance before you settle in. A short walk with one clear viewing plan often beats covering too much ground, especially when habitat changes fast from open edges to brush, wetlands, timber, shoreline, or neighborhood cover.

The eastern part of Oklahoma has more forested habitat, especially in the Kiamichi and Ouachita mountains, which attracts species that prefer woodland cover. The panhandle and western plains are drier and favor open-country species like bullsnakes and prairie kingsnakes. Central Oklahoma's mix of grassland, small woodlots, and water sources supports a broad cross-section of the state's snake diversity.

When is the best time of year to spot snakes in Oklahoma?

The best time to spot snakes in Oklahoma is during the spring and fall when temperatures are mild. Snakes are most active in the early morning and late afternoon. They tend to be less active during the heat of summer and may hibernate during the coldest winter months. Rainy periods can also increase snake activity as they seek out higher ground.

Spring (April through May) is often the prime season when snakes emerge from hibernation and are actively hunting and moving about. Fall (September through October) offers a similar window as snakes prepare for winter. Winter dormancy is typically most complete from December through February, though occasional warm spells in Oklahoma can bring snakes out for short periods. Summer can be productive too if you hunt during cooler morning hours or after evening rains cool the ground.

How can you identify common Oklahoma snakes from lookalikes?

One of the most important identification cues is the shape of the head and pupil. Venomous snakes like rattlesnakes and copperheads have wide, triangular heads and vertical, cat-like pupils. Non-venomous species such as rat snakes and garter snakes have more rounded heads and round pupils. Color patterns also help: the diamond pattern of a diamondback or the hourglass bands of a copperhead are distinctive. For a more thorough guide, see oursnake identification page.

When examining a snake from a safe distance, also look at the tail. Rattlesnakes have the namesake rattle segments at the tail tip. Garter snakes have a light stripe running the length of their back. Bullsnakes and rat snakes are uniformly colored or have blotched patterns. Copperheads have an hourglass or bow-tie shape on their back. Water snakes and cottonmouths are found near water and may be darker. Compare what you see to field guides or regional snake identification resources.

See ourstate animal guidefor the next step.

What are the most common snake species in Oklahoma?

Oklahoma is home to over 40 snake species, but some are more commonly encountered than others. The western diamondback rattlesnake, copperhead, and cottonmouth are the three main venomous species you might see. Non-venomous species include the prairie kingsnake, bullsnake, and common garter snake. Each has distinct markings and behaviors that make them easier to tell apart once you know what to look for.

Rat snakes (particularly the black rat snake and Texas rat snake) are widespread and often encountered in mixed habitats. Hognose snakes are common in sandy or open areas and are famous for playing dead when threatened. Rough green snakes prefer vegetation and are occasionally seen in shrubby areas. Milk snakes and coral snakes are rarer and more secretive. Ribbon snakes and earth snakes are small species you might encounter under logs or in moist leaf litter.

What safety tips should you follow when snake spotting?

When out snake spotting, wear sturdy boots and long pants, especially in tall grass or rocky areas. Always keep a safe distance, at least several feet, and never attempt to handle or provoke a snake. If you encounter one on a trail, simply stop and let it move away on its own. Carry a walking stick to tap ahead of you in dense cover. For more advice, visit ourOklahoma wildlife hub.

If you're in venomous snake country (primarily western Oklahoma for diamondbacks, and scattered copperheads and cottonmouths statewide), step over logs rather than over them, and watch where you place your hands if climbing or moving brush. Avoid hiking in overgrown areas during peak heat of the day when snakes are less visible but still present. Use a headlamp at dusk so you can spot snakes before stepping on them. Let others know where you're going and carry a phone in case of emergency.

Are snakes protected or dangerous in Oklahoma?

Most snake species in Oklahoma are protected by law and cannot be collected or killed without specific permits. Only three venomous species pose a significant danger to humans: the western diamondback rattlesnake, copperhead, and cottonmouth. Bites are rare and deaths even rarer, especially if medical care is sought promptly.

Venomous snakes in Oklahoma are generally reclusive and avoid confrontation if given the chance. Rattlesnakes will warn you with their rattle. Copperheads and cottonmouths typically flee or freeze unless stepped on. Non-venomous snakes are completely harmless and beneficial as they control rodent populations. Many snake species are actually declining due to habitat loss and road mortality. Supporting wildlife conservation efforts, including snake habitat protection, helps maintain Oklahoma's ecological balance. Encountering a snake is a sign of a healthy ecosystem.

What are the rarest or most elusive snakes in Oklahoma?

Oklahoma has several snake species that are rarely seen by the general public. The scarlet snake is secretive and nocturnal, found primarily in the southeastern forests. The coachwhip, a fast, active snake, is more common in western and central parts but still relatively uncommon to encounter. Coral snakes occur in the southeastern corner but are very elusive and rarely bite.

The timber rattlesnake is found mainly in the Ouachita and Kiamichi mountains in the southeast and is less common than the western diamondback. Reticulated garter snakes are restricted to a small range in the panhandle. Some species like the aquatic rainbow snake are so specialized in their habitat requirements that they're seldom observed. Local herpetological societies and field guides focused on Oklahoma reptiles can help you understand which species are most likely in your area and which require special conditions or effort to locate.

Where can you find snake-themed apparel and gifts?

If you want to celebrate your love for Oklahoma snakes, ourt-shirtscollection has several options. For example:

Rattlesnake Graphic T-Shirt []() A bold design featuring a classic rattlesnake, perfect for herpers and wildlife fans. Check Price and Availability

Green Viper Snake T-Shirt []() This shirt showcases a vibrant green viper, ideal for showing off your interest in venomous species. Check Price and Availability

Retro Cute Snake T-Shirt []() A fun, retro-style snake that's more approachable for casual wear. Check Price and Availability

What are the most frequently asked questions about snakes in Oklahoma?

**Are there venomous snakes in Oklahoma?** Yes, three main venomous species: western diamondback rattlesnake, copperhead, and cottonmouth.

**What is the largest snake in Oklahoma?** The bullsnake can reach over 6 feet in length.

**When are snakes most active in Oklahoma?** Spring and fall, during early morning and late afternoon.

**Can I keep a snake as a pet?** Some species are legal, but check local regulations. Always buy from reputable breeders.

**What should I do if bitten?** Stay calm, keep the bite below heart level, and seek medical attention immediately. Do not cut or suck the wound.

See ourtour planning ideasfor the next step.

Gear and field guides

Plan your trip

Best time to see snake in Oklahoma: April, May, June

See the month-by-month sighting calendar.

When to go

Plan your snake sighting in Oklahoma

1 verified snake records have been logged in Oklahoma, most recently in 1907. See the GBIF records.

Planning a trip to see snake? Find places to stay near Chickasaw National Recreation Area on Booking.com.

Frequently asked questions

What snake species live in Oklahoma?+

Snakes in Oklahoma are most commonly found in areas with plenty of cover and prey. Look for them in tallgrass prairies, rocky hillsides, and along the edges of forests. They are also frequent near ponds, streams, and wetlands where they hunt frogs and rodents. Backyards with woodpiles or tall grass can also attract them. For more details on snake habitats, check out ourOklahoma wildlife hub. In Oklahoma, snakes sightings usually improve when you slow down and match your first stop to where people are most likely to notice them. Use thestate wildlife huband theroute guideto narrow your first area, then check access, weather, and distance before you settle in. A short walk with one clear viewing plan often beats covering too much ground, especially when habitat changes fast from open edges to brush, wetlands, timber, shoreline, or neighborhood cover. The eastern part of Oklahoma has more forested habitat, especially in the Kiamichi and Ouachita mountains, which attracts species that prefer woodland cover. The panhandle and western plains are drier and favor open-country species like bullsnakes and prairie kingsnakes. Central Oklahoma's mix of grassland, small woodlots, and water sources supports a broad cross-section of the state's snake diversity.

Where can you see snakes in Oklahoma?+

Snakes in Oklahoma are most commonly found in areas with plenty of cover and prey. Look for them in tallgrass prairies, rocky hillsides, and along the edges of forests. They are also frequent near ponds, streams, and wetlands where they hunt frogs and rodents. Backyards with woodpiles or tall grass can also attract them. For more details on snake habitats, check out ourOklahoma wildlife hub. In Oklahoma, snakes sightings usually improve when you slow down and match your first stop to where people are most likely to notice them. Use thestate wildlife huband theroute guideto narrow your first area, then check access, weather, and distance before you settle in. A short walk with one clear viewing plan often beats covering too much ground, especially when habitat changes fast from open edges to brush, wetlands, timber, shoreline, or neighborhood cover. The eastern part of Oklahoma has more forested habitat, especially in the Kiamichi and Ouachita mountains, which attracts species that prefer woodland cover. The panhandle and western plains are drier and favor open-country species like bullsnakes and prairie kingsnakes. Central Oklahoma's mix of grassland, small woodlots, and water sources supports a broad cross-section of the state's snake diversity.

When is the best time to see snakes in Oklahoma?+

Snakes in Oklahoma are most commonly found in areas with plenty of cover and prey. Look for them in tallgrass prairies, rocky hillsides, and along the edges of forests. They are also frequent near ponds, streams, and wetlands where they hunt frogs and rodents. Backyards with woodpiles or tall grass can also attract them. For more details on snake habitats, check out ourOklahoma wildlife hub. In Oklahoma, snakes sightings usually improve when you slow down and match your first stop to where people are most likely to notice them. Use thestate wildlife huband theroute guideto narrow your first area, then check access, weather, and distance before you settle in. A short walk with one clear viewing plan often beats covering too much ground, especially when habitat changes fast from open edges to brush, wetlands, timber, shoreline, or neighborhood cover. The eastern part of Oklahoma has more forested habitat, especially in the Kiamichi and Ouachita mountains, which attracts species that prefer woodland cover. The panhandle and western plains are drier and favor open-country species like bullsnakes and prairie kingsnakes. Central Oklahoma's mix of grassland, small woodlots, and water sources supports a broad cross-section of the state's snake diversity.