Iowa
Snakes in Allamakee County
8 species have been documented here, 1 of them venomous.
Venomous snakes in Allamakee County
Full guide & what to do if bitten →
Timber RattlesnakeCrotalus horridusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Allamakee County
Common Garter Snake
Thamnophis sirtalis
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Timber Rattlesnake
Crotalus horridus
Venomous
Common Watersnake
Nerodia sipedon
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
North American Racer
Coluber constrictor
Harmless
Gopher Snake
Pituophis catenifer
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Allamakee County: FAQ
- Are there venomous snakes in Allamakee County, Iowa?
- Yes. 1 venomous snake species has verified records in Allamakee County, Iowa, including Timber Rattlesnake. Most snakes in Allamakee County, Iowa, however, are harmless.
- How many snake species live in Allamakee County, Iowa?
- 8 snake species have verified records in Allamakee County, Iowa, of which 1 is venomous.
- What is the most commonly seen snake in Allamakee County, Iowa?
- The Common Garter Snake is the most frequently reported snake in Allamakee County, Iowa, based on verified wildlife observations.
- What should I do if I see a venomous snake in Allamakee 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.