Arkansas
Snakes in Sebastian County
29 species have been documented here, 3 of them venomous.
Venomous snakes in Sebastian 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.
Timber RattlesnakeCrotalus horridusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Sebastian County

Speckled Kingsnake
Lampropeltis holbrooki
Harmless

Rough Earthsnake
Virginia striatula
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

Flat-headed Snake
Tantilla gracilis
Harmless

Tantilla selmae
Harmless

Western Ratsnake
Pantherophis obsoletus
Harmless

North American Racer
Coluber constrictor
Harmless

DeKay's Brownsnake
Storeria dekayi
Harmless

Plain-bellied Watersnake
Nerodia erythrogaster
Harmless

Rough Greensnake
Opheodrys aestivus
Harmless

Eastern Copperhead
Agkistrodon contortrix
Venomous

Diamondback Watersnake
Nerodia rhombifer
Harmless

Common Watersnake
Nerodia sipedon
Harmless

Common Coachwhip
Masticophis flagellum
Harmless

Prairie Kingsnake
Lampropeltis calligaster
Harmless
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless

Northern Cottonmouth
Agkistrodon piscivorus
Venomous

Western Ribbon Snake
Thamnophis proximus
Harmless

Great Plains Ratsnake
Pantherophis emoryi
Harmless

Scarletsnake
Cemophora coccinea
Harmless

Western Worm Snake
Carphophis vermis
Harmless

Eastern Hognose Snake
Heterodon platirhinos
Harmless

Common Garter Snake
Thamnophis sirtalis
Harmless

Eastern Milksnake
Lampropeltis triangulum
Harmless

Eastern Kingsnake
Lampropeltis getula
Harmless

Smooth Earthsnake
Virginia valeriae
Harmless

Timber Rattlesnake
Crotalus horridus
Venomous

Western Milksnake
Lampropeltis gentilis
Harmless

Red-bellied Snake
Storeria occipitomaculata
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.