Based on 1,042 research-grade iNaturalist observations in Delaware, Eastern Cottontail is most often recorded in July; in Delaware it behaves like a summer visitor / breeder. It ranks #4 among mammals recorded in the state in our data.
Sylvilagus floridanus
Eastern Cottontail in Delaware 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 Delaware in July
White-tailed Deer
Red Fox
Eastern Gray Squirrel
Tamanend's Bottlenose Dolphin
Common Raccoon
Groundhog
Muskrat
American Beaver
Places to look in Delaware
State ParkCape Henlopen State Park
Botanical GardenWinterthur Museum, Garden and Library
State ParkTrap Pond State Park
State ParkKillens Pond State Park
State ParkBellevue State Park
State ParkBrandywine Creek State Park
FAQ
When does Eastern Cottontail appear in Delaware?
Mainly April–September, with the most records in July.
How common is Eastern Cottontail in Delaware?
It ranks #4 by number of iNaturalist observations among mammals in Delaware (1,042 records in our sample).