TABLE B-28. --Lone Drake index, southern 
Saskatchewan, 1956 to 1964 
[Expressed as percentage of total drakes] 
Year 
Percent of Lone Drakes"^ 
1956 - 
78.5 
1957 -—- 
80.7 
1958 - 
80.2 
1959 - 
73.0 
I960 - 
84.7 
1961- 
71.9 
1962 - 
47.3 
1963 - 
82.6 
1964 - 
83.5 
1 Includes only mallard, pintail, and canvas- 
back 
TABLE B-29. —Waterfowl brood and late-nesting indexes by stratum compared with previous 
year and long-term average, southern Saskatchewan, 1963 and 1964 
[index numbers in thousands] 
Species 
Stratum 
Total 
Average 
1958 to 
1963 
Percent change 
from: 
A-East 
A-West 
B-East 
B-West 
C: 
1963 
1964 
1963 
Average 
Broods: 
O 
Duckbrood index- 
10.6 
14.9 
19.9 
18.7 
2.8 
45.8 
66.9 
231.7 
+46.1 
-71.1 
Average brood size^ - - 
5.9 
5.2 
5.6 
6.1 
6.0 
5.4 
5.7 
5. l3 
+5.6 
+11.8 
Coot brood index- 
1.8 
2.1 
3.9 
1.4 
0.0 
5.2 
9.2 
37.63 
+76.9 
-75.5 
o 
Late-nesting index : 
Dabblers: 
Mallard- 
3.5 
7.4 
2.7 
4.5 
1.6 
23.1 
19.7 
43.3 
-14.7 
-54.6 
Gadwall- 
0.4 
2.2 
1.2 
9.7 
3.8 
6.5 
-60.8 
-41.5 
American widgeon- 
0.2 
0.1 
3. 5 
0.3 
6.1 
-91.4 
-95.1 
Green-winged teal- 
0.9 
0.6 
Blue-winged teal- 
1.6 
3.7 
8.1 
5.3 
12.7 
-34.6 
-58.3 
Shoveler - 
0.4 
1.1 
3.1 
1.5 
3.2 
-51.6 
-53.1 
Pintail- 
0.4 
0.8 
6.5 
1.2 
5.8 
-81.5 
-79. 3 
Subtotal- 
6.5 
15.3 
3.9 
4.5 
1.6 
54.9 
31.8 
78.2 
-42.1 
-59.3 
Divers: 
Redhead - 
1.3 
1.6 
1.3 
1.5 
-18.8 
-13.3 
Canvasback - 
0.8 
0.6 
0.8 
1.3 
+33.3 
-38.5 
Scaup - 
1.9 
0.4 
6.6 
2.8 
8.9 
6.6 
+217.9 
+34.9 
Ring-necked duck- 
0.1 
2.3 
0.1 
1.1 
-95.7 
-90.9 
Goldeneye- 
0.2 
0.2 
0.3 
-33.3 
Bufflehead- 
0.8 
0.8 
0.2 
+300.0 
Ruddy duck- 
0.9 
0.4 
1.9 
1.0 
4.0 
4.2 
5.9 
+5.0 
-28.8 
Subtotal- 
3.0 
2.2 
10.1 
1.0 
0.0 
11.3 
16.3 
16.9 
+44.3 
-3.6 
Miscellaneous ducks- 
— 
— 
— 
— 
— 
1.4 
0 
0.7 
— 
— 
Total- 
9.5 
17.5 
14.0 
5.5 
1.6 
67.6 
48.1 
95.8 
-28.9 
-49.8 
1 Class II and HI broods only. 
3 As indicated by adult pairs and singles 
3 11-year average - 1952 to 1962. 
70 
