The Delmarva Fox Squirrel is a subspecies of the Eastern Fox Squirrel that is only found on the Delmarva Peninsula. Their large size and bright silvery fur separates them from the more common Easton Gray Squirrel. Look for Delmarva Fox Squirrels in mixed open woods with little or no understory. Check out the Eastern Fox Squirrel species page at the Maryland Biodiversity Project:

Photo by Jim Brighton.