TABLE B-48 0 —Waterfowl breeding population index, northern Saskatchewan, 
northern Manitoba, and western Ontario, 1964 and 1965 
[Index numbers in thousands] 
Stratum 
Total 
Percent 
Species 
Ontario 
Mani 
■§ 
Saskatc 
tiewan 
1964 
1965 
D 
1 C 
South 
North 1 
change 
Ducks: 
Dabblers: 
Mallard —-- 
15.8 
26.2 
45.9 
63.9 
192.0 
151,8 
-21 
Black duck- 
12.0 
-- 
0.6 
0.6 
30.0 
13,2 
-56 
Gadwall - 
— 
4.8 
-- 
6.0 
9.0 
10.8 
+20 
Widgeon-- 
3.7 
7.8 
9.2 
11.1 
33.0 
31.8 
- 4 
Green-winged teal - 
— 
1.6 
3.4 
5.2 
19.0 
10.2 
-43 
Blue-winged teal — 
-- 
7.1 
0.6 
6.6 
37.0 
14.3 
-61 
Shoveler- 
-- 
9.3 
0.6 
7.5 
26.0 
17.4 
-41 
Pintail. 
— 
5.9 
0.8 
2.7 
21.0 
9.4 
-55 
Subtotal__ 
31.5 
62.7 
61.1 
103.6 
367.0 
258.9 
-29 
Divers: 
Redhead -- 
-- 
10.4 
7.2 
17.0 
17.6 
+ 4 
Canvasback —-—- 
— 
16.3 
1.4 
6.0 
37.0 
23.7 
-36 
Scaup - 
29.2 
40.1 
32.3 
75,4 
197.0 
177.0 
-10 
Ring-necked duck-- 
18.0 
7.4 
16.2 
15.1 
45.0 
56, 7 
+26 
Goldeneye--— 
1.5 
1.4 
4.5 
3.6 
23.0 
11.0 
-52 
Buff lehead- 
1.5 
0.3 
1.4 
2.1 
9.0 
5.3 
-41 
Ruddy duck —-- 
— 
2.0 
— 
1.5 
1.0 
3.5 
+250 
Subtotal- 
50.2 
77.9 
55.8 
110.0 
329.0 
294.8 
-10 
Miscellaneous: 
Scoter- 
— 
0.8 
6.0 
0.6 
8.0 
7.4 
- 8 
Merganser - 
53.9 
4.6 
26.6 
32.6 
109.0 
117.7 
+ 8 
Subtotal- 
53.9 
5.4 
32.6 
33.2 
117.0 
125.1 
+ 7 
Total ducks — 
135.6 
146.0 
149.5 
247.7 
813.0 
678.8 
-16 
Canada geese- 
9.7 
1.3 
4.3 
1.5 
27.0 
16.8 
-38 
Coots-- 
— 
15.2 
— 
0.9 
17.0 
16.1 
- 5 
1 This area not surveyed in 1964: deleted for purposes of direct comparison. 
