Arkansas
Snakes in Jefferson County
16 species have been documented here, 2 of them venomous.
Venomous snakes in Jefferson 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.
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Every snake recorded in Jefferson County
Banded Watersnake
Nerodia fasciata
Harmless
Diamondback Watersnake
Nerodia rhombifer
Harmless
Northern Cottonmouth
Agkistrodon piscivorus
Venomous
Western Ribbon Snake
Thamnophis proximus
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Speckled Kingsnake
Lampropeltis holbrooki
Harmless
Mississippi Green Watersnake
Nerodia cyclopion
Harmless
Eastern Copperhead
Agkistrodon contortrix
Venomous
Mudsnake
Farancia abacura
Harmless
North American Racer
Coluber constrictor
Harmless
Prairie Kingsnake
Lampropeltis calligaster
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Rough Greensnake
Opheodrys aestivus
Harmless
Rough Earthsnake
Virginia striatula
Harmless
Smooth Earthsnake
Virginia valeriae
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Jefferson County: FAQ
- Are there venomous snakes in Jefferson County, Arkansas?
- Yes. 2 venomous snake species have verified records in Jefferson County, Arkansas, including Northern Cottonmouth, Eastern Copperhead. Most snakes in Jefferson County, Arkansas, however, are harmless.
- How many snake species live in Jefferson County, Arkansas?
- 10+ snake species have verified records in Jefferson County, Arkansas, of which 2 are venomous.
- What is the most commonly seen snake in Jefferson County, Arkansas?
- The Banded Watersnake is the most frequently reported snake in Jefferson County, Arkansas, based on verified wildlife observations.
- What should I do if I see a venomous snake in Jefferson County, Arkansas?
- 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.