Arkansas
Snakes in Howard County
17 species have been documented here, 5 of them venomous.
Venomous snakes in Howard 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.
Pygmy RattlesnakeSistrurus miliariusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Western Diamond-backed RattlesnakeCrotalus atroxVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Timber RattlesnakeCrotalus horridusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Howard County

Eastern Copperhead
Agkistrodon contortrix
Venomous

Northern Cottonmouth
Agkistrodon piscivorus
Venomous

Common Watersnake
Nerodia sipedon
Harmless

Rough Greensnake
Opheodrys aestivus
Harmless

Speckled Kingsnake
Lampropeltis holbrooki
Harmless

Pygmy Rattlesnake
Sistrurus miliarius
Venomous

Prairie Kingsnake
Lampropeltis calligaster
Harmless

Common Garter Snake
Thamnophis sirtalis
Harmless

DeKay's Brownsnake
Storeria dekayi
Harmless

North American Racer
Coluber constrictor
Harmless

Western Diamond-backed Rattlesnake
Crotalus atrox
Venomous

Western Ratsnake
Pantherophis obsoletus
Harmless

Plain-bellied Watersnake
Nerodia erythrogaster
Harmless

Western Ribbon Snake
Thamnophis proximus
Harmless

Timber Rattlesnake
Crotalus horridus
Venomous

Western Milksnake
Lampropeltis gentilis
Harmless

Western Worm Snake
Carphophis vermis
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.