Table II. - Hay Lakes, Alberta * 

1950 1951 1952 1953 
Ducks per square mile 124.6 84.3 243.7 129 
Est. breeding pop. index 24,920 16, 860 48, 740 25, 800 
Percent change from former 
years -~ 32 + 189 - 47 
Percent Species Composition, 1953 
Species Percent Species Percent 
Mallard 32 Shoveler 4 
Pintail 13°: Scoter 4 
Canvasback 10 Goldeneye 3 
Baldpate 9 Green-winged teal 2 
Scaup 8 Blue-winged teal 1 
Redhead 8 Ruddy duck 1 
Bufflehead 5 
* Estimated area 200 square miles. 
Table III. - Slave River Parklands, N. W. T. * 
1949 1950 1951 1952 1953 
Ducks per square mile 6.8 5.7 7.7 3.4 Sees 
Est. breeding pop. index 17,306 27,370 22,943 30,993 13,685 12,875 
Percent change from former years +58 - 16 + 29 - 56 - .6 
Canada geese per square mile -- -- . 06 -- 03 
Est. goose breeding pop. index -~ -- 242 -- 121 
Percent Species Composition, 1953 
Species Percent Species Percent 
Scoter 37 Mallard 6 
Pintail 11 Green-winged teal 6 
Baldpate 11 Goldeneye 6 
Scaup 11 Shoveler 1 
11 
Bufflehead 
* Estimated area 4,025 square miles. 
