Kansas
Snakes in Allen County
20 species have been documented here, 2 of them venomous.
Venomous snakes in Allen County
Full guide & what to do if bitten →
Western MassasaugaSistrurus tergeminusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Every snake recorded in Allen County
Ring-necked Snake
Diadophis punctatus
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Common Watersnake
Nerodia sipedon
Harmless
Rough Greensnake
Opheodrys aestivus
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Prairie Kingsnake
Lampropeltis calligaster
Harmless
Western Massasauga
Sistrurus tergeminus
Venomous
Common Garter Snake
Thamnophis sirtalis
Harmless
Western Ribbon Snake
Thamnophis proximus
Harmless
North American Racer
Coluber constrictor
Harmless
Lined Snake
Tropidoclonion lineatum
Harmless
Gopher Snake
Pituophis catenifer
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Diamondback Watersnake
Nerodia rhombifer
Harmless
Speckled Kingsnake
Lampropeltis holbrooki
Harmless
Flat-headed Snake
Tantilla gracilis
Harmless
Eastern Copperhead
Agkistrodon contortrix
Venomous
Common Wormsnake
Carphophis amoenus
Harmless
Eastern Kingsnake
Lampropeltis getula
Harmless
Graham's Crawfish Snake
Regina grahamii
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Allen County: FAQ
- Are there venomous snakes in Allen County, Kansas?
- Yes. 2 venomous snake species have verified records in Allen County, Kansas, including Western Massasauga, Eastern Copperhead. Most snakes in Allen County, Kansas, however, are harmless.
- How many snake species live in Allen County, Kansas?
- 20+ snake species have verified records in Allen County, Kansas, of which 2 are venomous.
- What is the most commonly seen snake in Allen County, Kansas?
- The Ring-necked Snake is the most frequently reported snake in Allen County, Kansas, based on verified wildlife observations.
- What should I do if I see a venomous snake in Allen County, Kansas?
- 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.