Birded behind the Rock Creek Park Nature Center today during lunch: Blackburnian Warbler - 3 males, more singing Brewster's Warbler - 1 Black-throated Blue Warbler - 4 males Ovenbird - 3 Black-throated Green Warbler - 1 Magnolia Warbler - 12 Canada Warbler - 1 American Redstart - 1 Black and White Warbler - 1 Northern Parula - 2 Eastern Wood Pewee - 1 Scarlet Tanager - 2 Eastern Phoebe - 1 Blue Gray Gnatcatcher - many Red-eyed Vireo - many Wood Thrush - 2 Ruby-throated Hummingbird - 1 female Eastern Towhee - female feeding fledgling Lou Shomette Columbia, MD