
Species Composition - Mississippi Flyway (Continental) - 1956 and 1957 
(Comparable Coverage) 



Percent of Birds Identified Percent 
Species 1956 1957 Change 
Mallard 63.8 62..6 + 1.7 
Green-winged Teal 6.1 4.3 - 27.6 
Pintail 5.6 6.7 + 23.1 
Blue Goose 5.1 4.4 ~ 10.2 
Canada Goose 3.8 3.9 + 7.1 
Black Duck Bak 2.8 + 5,4 
Gadwall 2.2 2.5 + 16.1 
Scaup 2.0 3.3 + 69.8 
Coot 1.7 262 + 37.2 
Goldeneye 1.0 6 - 52.1 
Canvasback 9 1.6 + 82.1 
Ringneck 9 Leal + 33.6 
Baldpate .8 .8 + 12.5 
Shoveler hii Pa #933 
Merganser -6 4 - 32.3 
Ruddy Duck 5 .8 + 76.6 
Snow Goose 5 4 - 12.6 
Wood Duck 4 ahs! - 10.1 
Old Squaw 3 el - 66.3 
Redhead ic 4 4121.6 
White-fronted Goose ol Tr - 56.1 
Bufflehead ol Tr - 
Blue-winged Teal Tr. wl “ 
Whistling Swan Tr. ix, = 
Scoter and Fider Tr. ie a - 
Total 100.0 100.0 + 4.0 

70 
