Probably most birders who have already visited Dyke Marsh recently have seen the osprey.  This morning I found him checking out the nesting platform just off the marina promontory. 
It held a few sticks but he hadn't really gotten down to nesting business yet.
 
 A lone Canvasback was swimming near a raft of Lesser Scaup, south of the boardwalk overlook.  Below is a list of the birds I found.
 
Kathy Reiser
Washington DC

Number of species: 26
 
Canada Goose 2
Mallard 30
Canvasback 1
Lesser Scaup 100
Common Merganser 1
Ruddy Duck 20
Pied-billed Grebe 2
Great Blue Heron 1
Osprey 1
Ring-billed Gull 50
Mourning Dove 2
Red-bellied Woodpecker 2
Blue Jay 1
American Crow 2
Fish Crow 1
Carolina Chickadee 2
Tufted Titmouse 2
Carolina Wren 4
Winter Wren 1
American Robin 2
European Starling 4
Savannah Sparrow 1
Song Sparrow 20
White-throated Sparrow 1
Northern Cardinal 3
Red-winged Blackbird 100+ 		 	   		  
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