Despite the morning rain, there were a lot of birds on the move in RCP today,  In particular::

Magnolia Warbler 
Chestnut-sided Warbler
Black & White Warbler
Nashville Warbler
Tennessee Warbler
Canada Warbler
Redstart
Ovenbird
Yellowthroat

Cooper's Hawk (Immature, perched on snag in Maintenance Yard)
Scarlet Tanager
Baltimore Oriole
Veery
Blue-grey Gnatcatcher
E.W. Pewee
Least Flycatcher
R.E. Vireo
E. Towhee
H. Wren

Stephen Jones
Bethesda, MD