Iowa
Snakes in Marshall County
10 species have been documented here, and none are venomous.
Every snake recorded in Marshall County
Common Garter Snake
Thamnophis sirtalis
Harmless
Western Foxsnake
Pantherophis ramspotti
Harmless
Gopher Snake
Pituophis catenifer
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Plains Garter Snake
Thamnophis radix
Harmless
Common Watersnake
Nerodia sipedon
Harmless
North American Racer
Coluber constrictor
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Smooth Greensnake
Opheodrys vernalis
Harmless
Lined Snake
Tropidoclonion lineatum
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.