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Bald eagle
Black duck
9
Coot
9
Lesser scaup
9
Mallard
9
Pintail
9
Aerial waterfowl censuses
8
American wigeon
8
Blue-winged teal
8
Canvasback
8
Common goldeneye
8
Gadwall
8
Redhead
8
Ring-necked duck
8
Avian population monitoring
7
Canada goose
7
Ruddy duck
7
American merganser
6
Hooded merganser
6
Lesser snow goose
6
Shoveler
6
American green-winged teal
5
Common merganser
5
Northern shoveler
5
Blue goose
3
Bufflehead
3
Green-winged teal
3
Wood duck
3
Canada Goose
2
Cormorant
2
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