ATLANTIC FLYWAY 
Species Composition - Atlantic Flyway (Continental) 1955 and 1956 
(Comparable Coverage) 
Percent of Birds Identified Percent 
Species 1955 1956 Change 
Scaup 17.0 17.0 - 4.4 
Black Duck 11.7 9.2 - 24.7 
Coot 11.0 15.8 + 38.4 
Canada Goose 9.7 10.6 + 4.5 
Pintail 8.5 9.4 + «6.2 
Mallard 6.1 Ti + 21.6 
Canvasback 5.8 4.7 - 22.2 
Redhead 4.7 3.3 - 33.4 
Baldpate 4.4 31 - 31.9 
Scoter & Eider 3.7 3.5 - ll.l 
American Brant 3.6 3.4 - 10.7 
Ruddy 3 1.0 - 69.9 
Whistling Swan 1.7 .8 - 56.2 
Merganser 1.7 8 - 53.2 
Ringneck 1.6 oa +100.0 
Goldeneye 1.6 1.9 + 19.6 
Snow Goose 9 ait - 23.1 
Gadwall 9 8 - 14.3 
Green-winged Teal ot 1.0 + 43.0 
Wood Duck .6 3 - 56.8 
Bufflehead 4 a + 5.0 
Blue-winged Teal .3 4 + 13.7. — 
Shoveler ee 5 +159.4 
Old Squaw 1 .3 +, 7929 
Blue Goose Tr. ts - 
Total 100.0 100.0 | - 4.6 
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