Toured Rock Creek Park on this overcast morning.  A MOURNING WARBLER  
was heard and  partly seen in the Maintenance Yard.  Birds seen or  
heard are listed below by site:

----Ridge and Equitation Field
Yellow-rumped Warbler  	4+
Black-and-white Warbler
Great Crested Flycatcher  	2
Baltimore Oriole		7
Scarlet Tanager 	3
Red-eyed Vireo  	2
Wood Thrush 		heard
Blue-gray Gnatcatcher
Brown-headed Cowbird	2
Plus Cardinal, Dove, Goldfinch, Robin, Titmouse, Towhee

----Maintenance Yard Parking Lot
Wood Thrush 	heard
Yellow-throated Vireo 		heard
White-breasted Nuthatch
Brown-headed Cowbird	2
Pileated Woodpecker 	
Plus Cardinal, Towhee, Robin, House Sparrow 20+

----Maintenance Yard
Blue-winged Warbler		2
Black-throated Green Warbler	2 seen, 1 heard
MOURNING WARBLER 	heard (David)
Black-and-white Warbler	2
Yellow-rumped Warbler	6+
Nashville Warbler 	1 seen, 2 heard
Black-throated Blue Warbler 	heard
Chestnut-sided Warbler 	heard
Northern Parula
Ruby-throated Hummingbird
Chimney Swift 		2
Baltimore Oriole 	2
Scarlet Tanager		2
Indigo Bunting		
House Wren
Pileated Woodpecker  	heard
Northern Cardinal		2

Observers:  Jim Lemert, Bill Butler, David Gersten, Shiela Maher,  
Betsy Stevens

Have Fun Birding!

Wallace Kornack
Washington DC