Oklahoma
Snakes in Pawnee County
22 species have been documented here, 4 of them venomous.
Venomous snakes in Pawnee County
Full guide & what to do if bitten →
Broad-banded CopperheadAgkistrodon laticinctusVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Western Diamond-backed RattlesnakeCrotalus atroxVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Northern CottonmouthAgkistrodon piscivorusVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Every snake recorded in Pawnee County

Flat-headed Snake
Tantilla gracilis
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

Western Ratsnake
Pantherophis obsoletus
Harmless

Ground Snake
Sonora semiannulata
Harmless

Broad-banded Copperhead
Agkistrodon laticinctus
Venomous

North American Racer
Coluber constrictor
Harmless

Common Coachwhip
Masticophis flagellum
Harmless

Rough Earthsnake
Virginia striatula
Harmless

Common Garter Snake
Thamnophis sirtalis
Harmless

Gopher Snake
Pituophis catenifer
Harmless

DeKay's Brownsnake
Storeria dekayi
Harmless

Plain-bellied Watersnake
Nerodia erythrogaster
Harmless

Rough Greensnake
Opheodrys aestivus
Harmless

Prairie Kingsnake
Lampropeltis calligaster
Harmless

Eastern Copperhead
Agkistrodon contortrix
Venomous

Western Ribbon Snake
Thamnophis proximus
Harmless

Diamondback Watersnake
Nerodia rhombifer
Harmless

Lined Snake
Tropidoclonion lineatum
Harmless

Western Diamond-backed Rattlesnake
Crotalus atrox
Venomous

Northern Cottonmouth
Agkistrodon piscivorus
Venomous

Eastern Hognose Snake
Heterodon platirhinos
Harmless

Smooth Earthsnake
Virginia valeriae
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Pawnee County: FAQ
- Are there venomous snakes in Pawnee County, Oklahoma?
- Yes. 4 venomous snake species have verified records in Pawnee County, Oklahoma, including Broad-banded Copperhead, Eastern Copperhead, Western Diamond-backed Rattlesnake, Northern Cottonmouth. Most snakes in Pawnee County, Oklahoma, however, are harmless.
- How many snake species live in Pawnee County, Oklahoma?
- 20+ snake species have verified records in Pawnee County, Oklahoma, of which 4 are venomous.
- What is the most commonly seen snake in Pawnee County, Oklahoma?
- The Flat-headed Snake is the most frequently reported snake in Pawnee County, Oklahoma, based on verified wildlife observations.
- What should I do if I see a venomous snake in Pawnee 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.