36 Species Composition = sala ta Flyway: icontinenat) 1952 and 1953, 
comparable coverage): 
Species | Percent of Birds Identified Percent Change 
1952 © 1953 19521953; 

‘78.8 
40.3° 
58.3 
a 
=) 
Mallard 
Pintail 
Coot 
Gadwall 
Green-winged teal. 
Blue Geese 
Canada’ Geese © 
Scaup. 
_ Black duck 
Canvasback 
Ring-necked duck | 
Wood duck 
‘Goldeneye 
Ruddy duck 
Merganser 
Snow Geese 
Baldpate 
Redhead 
Blue-winged teal 
Bufflehead 
-White-fronted geese 
- Shoveler 
Scoter and Eider 
Whistling Swan 
Old Squaw 
mW WwW a) 
mb Co WM 
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‘Total 100.0 100.0 + 21.9 
er 
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—_ 
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* Manitoba, Ontario, and Mississippi Flyway States, 
4. . Summary of Population Indices 
Waterfowl ~- The 1953 index for waterfowl is 14 percent above the 
average level for the past 5 years, and compared to 
individual years, stands; | 
_ 22 percent above 1952 
8 percent below 1951 
64 percent above 1950 
17 percent above 1949 
