While spending a couple mid-day hours (11:30-3) at Flag Ponds in Calvert County, spotted a COMMON MOORHEN in the main pond from the observation blind.  Also, a killdeer on the beach with young in tow.   Was focusing mostly on photography, but did end up with 10 species of warbler, here is a full list....

Great Egret
Green Heron
Canada Goose
Wood Duck
Turkey Vulture
Common Moorhen
Semipalmated Plover
Killdeer
Solitary Sandpiper
Sanderling
Least Sandpiper
Ring-billed Gull
Royal Tern
Yellow-billed Cuckoo
Chimney Swift
Red-bellied Woodpecker
Downy Woodpecker
Hairy Woodpecker
Eastern Wood Pewee
Acadian Flycatcher
Eastern Kingbird
Tree Swallow
Carolina Wren
Gray Catbird
Blue-gray Gnatcatcher
Carolina Chickadee
Tufited Titmouse
Blue Jay
American Crow
White-eyed Vireo
Yellow-throated Vireo
Red-eyed Vireo
Northern Parula
Yellow-throated Warbler
Pine Warbler
Prarie Warbler
Black-and-white Warbler
Ovenbird
Louisiana Waterthrush
Kentucky Warbler
Common Yellowthroat
Hooded Warbler
Swamp Sparrow
Northern Cardinal
Red-winged Blackbird
Common Grackle
Brown-headed Cowbird



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