Eastern gray squirrels rack up more DC records than any other mammal covered on this atlas, with reports densest around the National Mall’s shade trees, Rock Creek Park’s oak-hickory woods, and the wetland tree cover at Kenilworth Park and Aquatic Gardens.
They spend daylight hours burying acorns and other nuts one at a time across dozens of scattered caches, a habit that makes the species one of the more important tree planters in eastern forests since so many buried nuts are never dug back up. Around the Mall and downtown squares, that same caching instinct sends them digging in planters and flower beds instead of leaf litter.
DC reports appear in every month of the year, consistent with a species active through all seasons rather than one with a narrow window. The Mall’s heavy foot traffic naturally generates more photographed sightings than quieter corners of the city, so the record count reflects observer density as much as squirrel numbers.




