Oklahoma
Snakes in Ottawa County
21 species have been documented here, 2 of them venomous.
Venomous snakes in Ottawa County
Full guide & what to do if bitten →
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Northern CottonmouthAgkistrodon piscivorusVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Every snake recorded in Ottawa County
Flat-headed Snake
Tantilla gracilis
Harmless
Tantilla selmae
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Common Watersnake
Nerodia sipedon
Harmless
Western Ribbon Snake
Thamnophis proximus
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Speckled Kingsnake
Lampropeltis holbrooki
Harmless
Prairie Kingsnake
Lampropeltis calligaster
Harmless
Eastern Copperhead
Agkistrodon contortrix
Venomous
Rough Greensnake
Opheodrys aestivus
Harmless
Common Coachwhip
Masticophis flagellum
Harmless
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Diamondback Watersnake
Nerodia rhombifer
Harmless
Western Worm Snake
Carphophis vermis
Harmless
North American Racer
Coluber constrictor
Harmless
Northern Cottonmouth
Agkistrodon piscivorus
Venomous
Graham's Crawfish Snake
Regina grahamii
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.