We've had a very disappointing Spring as far as birds in our small Bethesda, MD backyard.  But Saturday morning the birds must have known it was International Migratory Bird Day because 35 species showed up, listed below from my eBird report.

Jim Nelson
Bethesda, Montgomery County
Mallard     2
Turkey Vulture     1
Mourning Dove     3
Yellow-billed Cuckoo     1
Chimney Swift     3
Red-bellied Woodpecker     2
Downy Woodpecker     1
Northern Flicker     1
Great Crested Flycatcher     2
Red-eyed Vireo     2
Blue Jay     2
Fish Crow     1
crow sp.     4
Carolina Chickadee     2
Tufted Titmouse     1
White-breasted Nuthatch     1
House Wren     2
American Robin     2
Gray Catbird     2
Northern Mockingbird     1
European Starling     21
Cedar Waxwing     25
Northern Parula     1
Magnolia Warbler     1
Yellow-rumped Warbler (Myrtle)      1
Blackpoll Warbler     1
Scarlet Tanager     2
Song Sparrow     1
White-throated Sparrow     1
Northern Cardinal     3
Red-winged Blackbird     1
Common Grackle     2
Brown-headed Cowbird     6
House Finch     2
American Goldfinch     2
House Sparrow     5