A very good morning (9/13) at Rock Creek Park...  The highlight was a  
YELLOWTHROATED WARBLER that is rarely seen at the park.  Other  
noteworthy birds include PHILADELPHIA VIREO, WARBLING VIREO, CAPE MAY,  
BLACKBURNIAN, TENNESSEE, CANADA and NASHVILLE WARBLERS.  In all the  
group had 17 warbler species.

------Equitation Field
American Redstart      9+
Black-throated Green Warbler      15+
Black-and-white Warbler      13
CAPE MAY WARBLER      1
Northern Parula      5
BAY-BREASTED WARBLER      2 (Tim)
BLACKBURNIAN WARBLER      2 (Jim, Dave)
Magnolia Warbler      6
Chestnut-sided Warbler      7
TENNESSEE WARBLER      1 (Tim)
CANADA WARBLER     1 (Tim)
Pileated Woodpecker      1
Red-bellied Woodpecker      2
Downy Woodpecker      1
ROSE-BREASTED GROSBEAK      1
Great Crested Flycatcher      1
Eastern Wood-Pewee       9+
Red-eyed Vireo      8+
Empid
Scarlet Tanager       2
Ruby-throated Hummingbird      1
White-breasted Nuthatch      2
Northern Cardinal      3
Chimney Swift      1
GREAT HORNED OWL      1 heard (Tim)

------Ridge
Black-and-white Warbler      3
American Redstart      1
Northern Parula      1
WORM-EATING WARBLER      1 (John)
YELLOW-THROATED WARBLER      1 (Derek)
PHILADELPHIA VIREO      1 (John)
YELLOW-THROATED VIREO      1 (John)
YELLOW-BILLED CUCKOO      1 (Dave)
Red-eyed Vireo      5+
Hairy Woodpecker      1
Sharp-shinned Hawk      1

------Yard Parking Lot
NASHVILLE WARBLER      1 (Derek)
Magnolia Warbler      1
Ovenbird      1
Scarlet Tanager      1
Eastern Towhee       1
Red-shouldered Hawk      1

------Maintenance Yard
Common Yellowthroat      3
American Redstart      1
Veery      1
Red-bellied Woodpecker      2
Pileated Woodpecker      1
Red-eyed Vireo     1
Carolina Wren      1
American Robin      7+

------Stable Area (Gary, Frank)  early AM
WORM-EATING WARBLER      1
Black-and-white Warbler      3+
Black-throated Blue Warbler      3
Black-throated Green Warbler      3
American Redstart      3
Northern Parula      2
Chestnut-sided Warbler      3-4
BLACKBURNIAN WARBLER      2
Magnolia Warbler      2-3
ROSE-BREASTED GROSBEAK      2
Scarlet Tanager      6
Baltimore Oriole      1
Eastern Bluebird      1

-------Stable Area  (Bill, Dave, Evelyn, Tim)  later AM
BLACK-BILLED CUCKOO      1 heard
YELLOW-THROATED VIREO       1
Swainson's Thrush       2
Great Crested Flycatcher       1 (Dave)
White-breasted Nuthatch      1
Carolina Chickadee      1

------Fence Line
Magnolia Warbler      1
American Redstart      1
House Finch      1
Scarlet Tanager      1
Eastern Towhee       1
Carolina Wren      1
Mourning Dove      1

------Dog Run (Gary, Frank, Tim, Evelyn, TIm, Bill, Derek, Wallace)
Black-and-white Warbler      1
CANADA WARBLER       1 (Bill)
Black-throated Blue Warbler      1
Ovenbird      3
Common Yellowthroat      3
Gray Catbird      4
Northern Mockingbird       6
Eastern Wood-Pewee      1
House Wren      1
Carolina Wren      1
Swainson's Thrush        3
Song Sparrow      1
Eastern Towhee      1
Yellow-throated Vireo      1 heard
Scarlet Tanager      2
Cedar Waxwing      1
American Goldfinch      1

Observers:  Tim Houghton, Jim Lemert, Dave Bolton, John and Darina  
Sherwood, Derek Richardson, Gary Allport, Frank Hawkins, Bill Butler,  
Chip Chipley, Judith, Dan Eberly, Evelyn Ralston, Marge Rachlin

Have Fun Birding!

Wallace Kornack
Washington  DC