Iowa
Snakes in Harrison County
9 species have been documented here, and none are venomous.
Every snake recorded in Harrison County
Common Garter Snake
Thamnophis sirtalis
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Western Foxsnake
Pantherophis ramspotti
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Plains Garter Snake
Thamnophis radix
Harmless
North American Racer
Coluber constrictor
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Eastern Foxsnake
Pantherophis vulpinus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.