Based on 1,376 research-grade iNaturalist observations in Iowa, Eastern Cottontail is most often recorded in June; in Iowa it behaves like a summer visitor / breeder. It ranks #3 among mammals recorded in the state in our data.
Sylvilagus floridanus
Eastern Cottontail in Iowa by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also seen in Iowa in June
White-tailed Deer
Eastern Chipmunk
Common Raccoon
Eastern Fox Squirrel
Groundhog
Eastern Gray Squirrel
Thirteen-lined Ground Squirrel
Red Fox
Places to look in Iowa
Botanical GardenDubuque Arboretum and Botanical Gardens
Botanical GardenBickelhaupt Arboretum
Botanical GardenIowa Arboretum
State ParkPikes Peak State Park
State ParkCedar Rock State Park
State ParkWildcat Den State Park
FAQ
When does Eastern Cottontail appear in Iowa?
Mainly April–September, with the most records in June.
How common is Eastern Cottontail in Iowa?
It ranks #3 by number of iNaturalist observations among mammals in Iowa (1,376 records in our sample).