TABLE B-50. - -Species breeding composition percentage, southern Manitoba, 1960 to 1964 
Species 
1960 
1961 
1962 
1963 
1964 
Ducks: 
Dabblers: 
Mallard- 
27.1 
28.1 
29.0 
25.1 
34.9 
Gadwall- 
3.5 
6.0 
4.4 
3.3 
2.3 
American widgeon- 
4.2 
5.1 
5.8 
4.8 
4.6 
Green-winged teal- 
1.4 
1.7 
1.3 
1.8 
Trace 
Blue-winged teal- 
19.8 
24.8 
19.3 
28.3 
8.0 
Shoveler- 
8.0 
8.4 
8.2 
8.4 
8.0 
Pintail- 
16.2 
11.6 
11.1 
11.1 
8.7 
Subtotal- 
80.4 
85.7 
79.1 
82.8 
66.5 
Divers: 
Redhead - 
6.3 
3.9 
6.1 
4.7 
6.7 
Canvasback- 
3.8 
3.0 
5.9 
3.9 
7.9 
Scaup- 
4.6 
3.7 
5.2 
4.8 
15.1 
Ring-necked duck- 
1.8 
0.7 
1.3 
0.5 
0.4 
Goldeneye- 
0.6 
0.1 
0.3 
0.2 
0.4 
Bufflehead- 
0.3 
0.4 
0.4 
0.3 
0.8 
Ruddy duck--- 
2.6 
2.3 
1.6 
2.7 
2.4 
Subtotal- 
19.8 
14.1 
20.8 
17.1 
33.5 
Total- 
100.2 
99.8 
99.9 
99.9 
100.0 
TABLE B-51. --Lone drake index, 
southern Manitoba, 1953 to 1964 
[Expressed as percentage of 
total drakes] 
Year 
Percent 
lone drakes 1 
1953- 
70.1 
1954-- 
79.6 
1955- 
87.5 
1956- 
79.4 
1957- 
89.2 
1958- 
81.9 
1959- 
70.0 
i960 - 
86.5 
1961--- 
67.5 
1962- 
62.0 
1963- 
83.7 
1964- 
78.1 
■^Includes only mallards, 
pintails, and canvasback. 
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