CENTRAL FLYWAY 
Species Composition - Central Flyway (Continental) 1954 and 1955 Based on 
Number of Birds Observed 
Comparable Coverage 
Percent of Birds Identified 
Percent Change 

Species 1954 1955 1954-1955 
Pintail 23.3 Box - 3.4 
Mallard 21.7 30.2 +15.3 
Coot 16.1 8.8 -55.0 
Redhead 11.2 9.2 -32.3 
Scaup 7.8 4.2 -55.4 
Snow Goose 5.4 4.4 -32.0 
Baldpate 3.4 1.8 -57.5 
Canada Goose 2.3 1.9 -31.2 
Cinn. & B-w. Teal 1.7 3.2 +53.6 
G-w. Teal 1.4 2.3 +30. 1 
Gadwall 14.2 ly 3 -15.6 
Shoveler 1.2 2.6 +82.9 
Merganser »8 .7 -33.1 
Blue Goose at i .6 -35.2 
Canvasback .6 .4 -49.8 
White -fronted Goose 4 .8 +59.7 
Tree duck .3 7 ~46,.2 
Goldeneye 2 3 +39.5 
Ruddy duck 2 tr. -61.6 
Ring-necked duck ct tr. + 1.1 
Mottled duck tr. tt. - 
Bufflehead tr. tr. - 
Wood duck tr. tr. = 
Trumpeter Swan tr. tr. * 
Whistling Swan oe rs = 
Black duck tr. tr. - 
Total 100.0 100.0 -19.1 
31 
