Iowa
Snakes in Bremer County
8 species have been documented here, 2 of them venomous.
Venomous snakes in Bremer County
Full guide & what to do if bitten →
Western MassasaugaSistrurus tergeminusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Eastern MassasaugaSistrurus catenatusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Every snake recorded in Bremer County

Western Massasauga
Sistrurus tergeminus
Venomous

Common Garter Snake
Thamnophis sirtalis
Harmless

Western Foxsnake
Pantherophis ramspotti
Harmless

DeKay's Brownsnake
Storeria dekayi
Harmless

Smooth Greensnake
Opheodrys vernalis
Harmless

Eastern Massasauga
Sistrurus catenatus
Venomous

Common Watersnake
Nerodia sipedon
Harmless

Western Ribbon Snake
Thamnophis proximus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.