Missouri
Snakes in Stone County
17 species have been documented here, 3 of them venomous.
Venomous snakes in Stone 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.
Pygmy RattlesnakeSistrurus miliariusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Northern CottonmouthAgkistrodon piscivorusVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Every snake recorded in Stone County

Common Watersnake
Nerodia sipedon
Harmless

Speckled Kingsnake
Lampropeltis holbrooki
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

Western Ratsnake
Pantherophis obsoletus
Harmless

DeKay's Brownsnake
Storeria dekayi
Harmless

Eastern Copperhead
Agkistrodon contortrix
Venomous

Common Coachwhip
Masticophis flagellum
Harmless

Rough Earthsnake
Virginia striatula
Harmless

Western Worm Snake
Carphophis vermis
Harmless

Common Garter Snake
Thamnophis sirtalis
Harmless

North American Racer
Coluber constrictor
Harmless

Pygmy Rattlesnake
Sistrurus miliarius
Venomous

Great Plains Ground Snake
Sonora episcopa
Harmless

Eastern Milksnake
Lampropeltis triangulum
Harmless

Northern Cottonmouth
Agkistrodon piscivorus
Venomous

Eastern Hognose Snake
Heterodon platirhinos
Harmless

Flat-headed Snake
Tantilla gracilis
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Stone County: FAQ
- Are there venomous snakes in Stone County, Missouri?
- Yes. 3 venomous snake species have verified records in Stone County, Missouri, including Eastern Copperhead, Pygmy Rattlesnake, Northern Cottonmouth. Most snakes in Stone County, Missouri, however, are harmless.
- How many snake species live in Stone County, Missouri?
- 10+ snake species have verified records in Stone County, Missouri, of which 3 are venomous.
- What is the most commonly seen snake in Stone County, Missouri?
- The Common Watersnake is the most frequently reported snake in Stone County, Missouri, based on verified wildlife observations.
- What should I do if I see a venomous snake in Stone County, Missouri?
- 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.