Iowa
Snakes in Buchanan County
4 species have been documented here, 1 of them venomous.
Venomous snakes in Buchanan 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 Buchanan County
Smooth Greensnake
Opheodrys vernalis
Harmless
Common Watersnake
Nerodia sipedon
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Eastern Massasauga
Sistrurus catenatus
Venomous
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Buchanan County: FAQ
- Are there venomous snakes in Buchanan County, Iowa?
- Yes. 1 venomous snake species has verified records in Buchanan County, Iowa, including Eastern Massasauga. Most snakes in Buchanan County, Iowa, however, are harmless.
- How many snake species live in Buchanan County, Iowa?
- 4 snake species have verified records in Buchanan County, Iowa, of which 1 is venomous.
- What is the most commonly seen snake in Buchanan County, Iowa?
- The Smooth Greensnake is the most frequently reported snake in Buchanan County, Iowa, based on verified wildlife observations.
- What should I do if I see a venomous snake in Buchanan 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.