Based on 1,407 research-grade iNaturalist observations in Delaware, Red Fox is most often recorded in May; in Delaware it behaves like a year-round resident. It ranks #2 among mammals recorded in the state in our data.
Vulpes vulpes
Red Fox 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 May

Eastern Cottontail

White-tailed Deer

Eastern Gray Squirrel

Common Raccoon

Muskrat

Groundhog
Eastern Chipmunk

Tamanend's Bottlenose Dolphin
Places to look in Delaware
Cape Henlopen State Park
Winterthur Museum, Garden and Library
Trap Pond State Park
Killens Pond State Park
Bellevue State Park
Brandywine Creek State Park
FAQ
When does Red Fox appear in Delaware?
Mainly April–March, with the most records in May.
How common is Red Fox in Delaware?
It ranks #2 by number of iNaturalist observations among mammals in Delaware (1,407 records in our sample).