Iowa
Snakes in Mills County
8 species have been documented here, 1 of them venomous.
Venomous snakes in Mills County
Full guide & what to do if bitten →
Eastern MassasaugaSistrurus catenatusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Every snake recorded in Mills County
DeKay's Brownsnake
Storeria dekayi
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
North American Racer
Coluber constrictor
Harmless
Eastern Massasauga
Sistrurus catenatus
Venomous
Common Garter Snake
Thamnophis sirtalis
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Plains Garter Snake
Thamnophis radix
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Mills County: FAQ
- Are there venomous snakes in Mills County, Iowa?
- Yes. 1 venomous snake species has verified records in Mills County, Iowa, including Eastern Massasauga. Most snakes in Mills County, Iowa, however, are harmless.
- How many snake species live in Mills County, Iowa?
- 8 snake species have verified records in Mills County, Iowa, of which 1 is venomous.
- What is the most commonly seen snake in Mills County, Iowa?
- The DeKay's Brownsnake is the most frequently reported snake in Mills County, Iowa, based on verified wildlife observations.
- What should I do if I see a venomous snake in Mills County, Iowa?
- 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.