Yesterday morning (4/10) at McKeldin Area, Patapsco Valley SP:
Mallard  2
Winter Wren  1
Golden-crowned Kinglet  1 heard
Ruby-crowned Kinglet  2
Louisiana Waterthrush  2 heard singing

In the afternoon (4/10) at Liberty Lake I wanted to see what it was like before many of the birds come to roost, especially the cormorants, most of which go farther up the lake during the day.
Canada Goose  3
Bufflehead  4, Baltimore Co. only
Common Merganser  2
Common Loon  2
Pied-billed Grebe  1, Baltimore Co. only
Horned Grebe  3
DC Cormorant  12, over two hundred coming to roost the previous evening
Golden-crowned Kinglet  1 heard, Carroll Co. only

This afternoon (4/11) at Piney Run Park where the water level is still down a surprising 13 species of ducks with many other birds:
Canada Goose  77
Wood Duck  2, a pair
Black Duck  4
Mallard  27
Blue-winged Teal  5
SHOVELER  1 male
Green-winged Teal  14
Ring-necked Duck  5
Lesser Scaup  13
Bufflehead  13
Hooded Merganser  12, only one adult male
Common Merganser  1 female
Red-breasted Merganser  1 female
Ruddy Duck  11
Common Loon  4
Pied-billed Grebe  2
Horned Grebe  3
DC Cormorant  43, the most I have ever seen here
Great Blue Heron  1
Osprey  1
Bald Eagle  1 adult
Coot  15
Killdeer  2
Bonaparte's Gull  14
Ring-billed Gull  6
CASPIAN TERN  7, not often seen here, three being my previous high
Kingfisher  2, a pair courtship feeding
Phoebe  3
Tree Swallow  100, first large flock of this spring
Rough-winged Swallow  1
CLIFF SWALLOW  1, my earliest ever here
Barn Swallow  2
Myrtle Warbler  2
Yellow Palm Warbler  1

--
Bob Ringler 
Eldersburg MD