Bill and I spent the morning at Adkins Arboretum, running into many mixed flocks 
of birds. One of the birds we came across might be a hybird of the Blue-winged 
Warbler. Not having come across one before, it is hard to be definite. The bird 
had blue wings with dull wingbars. The head had the black eye line, but the 
face/neck was pale whitish yellow. The body was pale yellow. What made it 
more "different" was that a true Blue-winged Warbler was seen just afterward, 
making us comment on how different the first was. The other birds of note:

Wild Turkey
Bald Eagle
Red-shouldered Hawk
Yellow-billed Cuckoo
Ruby-throated Humminbird 6
many woodpeckers with Pileated 1
E Wood-Pewee 10
Acadian Flycatcher 1
E Phoebe 1
Great Crested Flycatcher 3 
White-eyed Vireo 2
Red-eyed Vireo 6
Purple Martin 1
Red-breasted Nuthatch 1
White-breasted Nuthatch 1
E Bluebird 7
Blue-winged Warbler 1, or 2
Nashville Warbler 1
Chestnut-sided Warbler 4
Magnolia Warbler 1
Black-throated Blue Warbler 1
Pine Warbler 2
Black-and-white Warbler 9
A Redstart 5
Ovenbird 4
Connecticut Warbler 1
Mourning Warbler 1
Summer Tanager 1
Scarlet Tanager 1
Chipping Sparrow 21
Field Sparrow 4
Blue Grosbeak 4
 Karen Harris
Talbot County, MD