An early morning survey within the DC portion of Rock Creek Park today
yielded the following species:

Red-bellied Woodpecker
Downy Woodpecker
Northern Flicker
Pileated Woodpecker
Eastern Wood-Peewee
Acadian Flycatcher
Great Crested Flycatcher
Eastern Phoebe
Red-eyed Vireo
Yellow-throated Vireo
Blue Jay
American Crow
Carolina Chickadee
Tufted Titmouse
White-breasted Nuthatch
Blue-gray Gnatcatcher
Wood Thrush
American Robin
Gray Catbird
Ovenbird
Mourning Warbler (along creek near intersection of Beach Drive & Wise Rd.)
Scarlet Tanager
Eastern Towhee
Northern Cardinal
Common Grackle
Brown-headed Cowbird
House Finch
American Goldfinch