Missouri
Snakes in Cass County
11 species have been documented here, 1 of them venomous.
Venomous snakes in Cass 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.
Every snake recorded in Cass County
Western Ratsnake
Pantherophis obsoletus
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
Common Watersnake
Nerodia sipedon
Harmless
North American Racer
Coluber constrictor
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Prairie Kingsnake
Lampropeltis calligaster
Harmless
Eastern Copperhead
Agkistrodon contortrix
Venomous
Rough Greensnake
Opheodrys aestivus
Harmless
Diamondback Watersnake
Nerodia rhombifer
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Cass County: FAQ
- Are there venomous snakes in Cass County, Missouri?
- Yes. 1 venomous snake species has verified records in Cass County, Missouri, including Eastern Copperhead. Most snakes in Cass County, Missouri, however, are harmless.
- How many snake species live in Cass County, Missouri?
- 11 snake species have verified records in Cass County, Missouri, of which 1 is venomous.
- What is the most commonly seen snake in Cass County, Missouri?
- The Western Ratsnake is the most frequently reported snake in Cass County, Missouri, based on verified wildlife observations.
- What should I do if I see a venomous snake in Cass 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.