Oklahoma
Snakes in Seminole County
20 species have been documented here, 2 of them venomous.
Venomous snakes in Seminole County
Full guide & what to do if bitten →
Pygmy RattlesnakeSistrurus miliariusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Every snake recorded in Seminole County
Flat-headed Snake
Tantilla gracilis
Harmless
Texas Blind Snake
Rena dulcis
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
North American Racer
Coluber constrictor
Harmless
Common Coachwhip
Masticophis flagellum
Harmless
Pygmy Rattlesnake
Sistrurus miliarius
Venomous
DeKay's Brownsnake
Storeria dekayi
Harmless
Eastern Copperhead
Agkistrodon contortrix
Venomous
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Rough Greensnake
Opheodrys aestivus
Harmless
Western Ribbon Snake
Thamnophis proximus
Harmless
Speckled Kingsnake
Lampropeltis holbrooki
Harmless
Prairie Kingsnake
Lampropeltis calligaster
Harmless
Ground Snake
Sonora semiannulata
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Rough Earthsnake
Virginia striatula
Harmless
Eastern Kingsnake
Lampropeltis getula
Harmless
Lined Snake
Tropidoclonion lineatum
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Seminole County: FAQ
- Are there venomous snakes in Seminole County, Oklahoma?
- Yes. 2 venomous snake species have verified records in Seminole County, Oklahoma, including Pygmy Rattlesnake, Eastern Copperhead. Most snakes in Seminole County, Oklahoma, however, are harmless.
- How many snake species live in Seminole County, Oklahoma?
- 20+ snake species have verified records in Seminole County, Oklahoma, of which 2 are venomous.
- What is the most commonly seen snake in Seminole County, Oklahoma?
- The Flat-headed Snake is the most frequently reported snake in Seminole County, Oklahoma, based on verified wildlife observations.
- What should I do if I see a venomous snake in Seminole County, Oklahoma?
- Keep your distance and do not try to catch or kill it. Most bites happen when people handle or corner a snake. If someone is bitten, contact local emergency services or poison control immediately.