Arkansas
Snakes in Union County
20 species have been documented here, 3 of them venomous.
Venomous snakes in Union County
Full guide & what to do if bitten →
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.
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Every snake recorded in Union County
Western Ratsnake
Pantherophis obsoletus
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Northern Cottonmouth
Agkistrodon piscivorus
Venomous
Speckled Kingsnake
Lampropeltis holbrooki
Harmless
Banded Watersnake
Nerodia fasciata
Harmless
Timber Rattlesnake
Crotalus horridus
Venomous
North American Racer
Coluber constrictor
Harmless
Eastern Copperhead
Agkistrodon contortrix
Venomous
Western Ribbon Snake
Thamnophis proximus
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Prairie Kingsnake
Lampropeltis calligaster
Harmless
Glossy Swampsnake
Liodytes rigida
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Red-bellied Snake
Storeria occipitomaculata
Harmless
Rough Greensnake
Opheodrys aestivus
Harmless
Diamondback Watersnake
Nerodia rhombifer
Harmless
Scarletsnake
Cemophora coccinea
Harmless
Mudsnake
Farancia abacura
Harmless
Mississippi Green Watersnake
Nerodia cyclopion
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.