Today, Jeff Culler, Shashi Lengade and I spent about 2 1/2 hours at
Centennial Lake on a rather chilly, 40°, windy and overcast morning.  We had
45 species: 

Common Loon 4
Pied-billed Grebe 6
Great Blue Heron 3
Black-crowned Night-Heron 1
Black Vulture 2
Turkey Vulture 2
Canada Goose 20
Mallard 6
Ring-necked Duck 3
Greater Scaup 1 (adult female, near east end of islands at west end of lake)
Osprey 1 
Cooper's Hawk 1 
Red-tailed Hawk 1 
American Coot 2 
Ring-billed Gull 2 
Caspian Tern 1 
Mourning Dove 1 
Belted Kingfisher 1 
Red-bellied Woodpecker 1 
Downy Woodpecker 2 
Northern Flicker 1 
Eastern Phoebe (heard) 
Blue Jay (heard) 
Crow 'species' 5 
Tree Swallows 173 
No. Rough-winged Swallows 3 
Barn Swallow 10 
Carolina Chickadee (heard) 
Carolina Wren (heard) 
Golden-crowned Kinglet 1 
Ruby-crowned Kinglet 2 
Eastern Bluebird 8 
American Robin 15 
Northern Mockingbird 2 
European Starling 17 
Yellow-rumped Warbler 2 
Black-and-white Warbler 1 
Swamp Sparrow 2 
White-throated Sparrow 1 
Northern Cardinal 10 
Red-winged Blackbird 30 
Common Grackle 12 
Brown-headed Cowbird 6 
House Finch 2 
American Goldfinch (heard)

Afterwards, Jeff and I went to Forebay Pond at the northeast corner of Lake
Elkhorn in Columbia, and found the male Northern Shoveler, a good Howard
County bird.  It has been there for a few days.

-Joe