Missouri
Snakes in Oregon County
11 species have been documented here, 3 of them venomous.
Venomous snakes in Oregon 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.
Every snake recorded in Oregon County
Common Watersnake
Nerodia sipedon
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Eastern Copperhead
Agkistrodon contortrix
Venomous
Ring-necked Snake
Diadophis punctatus
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Northern Cottonmouth
Agkistrodon piscivorus
Venomous
Red-bellied Snake
Storeria occipitomaculata
Harmless
Common Coachwhip
Masticophis flagellum
Harmless
Pygmy Rattlesnake
Sistrurus miliarius
Venomous
Western Worm Snake
Carphophis vermis
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Oregon County: FAQ
- Are there venomous snakes in Oregon County, Missouri?
- Yes. 3 venomous snake species have verified records in Oregon County, Missouri, including Eastern Copperhead, Northern Cottonmouth, Pygmy Rattlesnake. Most snakes in Oregon County, Missouri, however, are harmless.
- How many snake species live in Oregon County, Missouri?
- 11 snake species have verified records in Oregon County, Missouri, of which 3 are venomous.
- What is the most commonly seen snake in Oregon County, Missouri?
- The Common Watersnake is the most frequently reported snake in Oregon County, Missouri, based on verified wildlife observations.
- What should I do if I see a venomous snake in Oregon 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.