TABLE B-54. --Waterfowl brood and late-nesting indexes by stratum compared to previous year, 
and long-term average, southern Manitoba, 1965. 
[Index numbers in thousands] 
Species 
1965 
Stratum 
Totals 
Strata A and B Com¬ 
bined 
Average 
Percent change from: 
A 
B 
1965 
1964 
1954 - 1964 
1964 
11-Year average 
Broods: 
Duck brood index— 
4.4 
17.3 
21.7 
25.2 
33.7 
- 14 
- 36 
Average brood size* 
5.2 
5.7 
5.6 
5.0 
5.6 
+ 12 
same 
Coot brood index — 
4.6 
11.2 
15.8 
12.8 
7.7 
+ 23 
+105 
Late nesting index^ 
Dabblers: 
Mallard -- 
8.2 
4.0 
12.2 
9.0 
15.8 
+ 36 
- 23 
Gadwall- 
1.1 
— 
1.1 
.7 
1.2 
+ 57 
- 08 
Baldpate- 
1.1 
4.0 
5.1 
1.2 
3.0 
+325 
+ 70 
Green-winged teal- 
.2 
.7 
.9 
.1 
.5 
+800 
+ 80 
Blue-winged teal -- 
2.3 
-- 
2.3 
5.3 
7.6 
- 57 
- 70 
Shoveler- 
1.3 
— 
1.3 
5.5 
1.3 
- 76 
same 
Pintail---- 
.7 
— 
.7 
.3 
2.3 
+133 
- 70 
Subtotal- 
14.9 
8.7 
23.6 
22.1 
31.7 
+ 07 
- 26 
Divers: 
Redhead—- 
.3 
.7 
1.0 
1.8 
1.5 
- 44 
- 33 
Canvasback- 
.4 
— 
.4 
.3 
1.1 
+ 33 
- 64 
Scaup- 
2.0 
1.4 
3.4 
2.5 
3.3 
+ 36 
+ 03 
Ring-necked duck — 
.1 
-- 
.1 
— 
.7 
+ 
- 86 
Goldeneye- 
— 
-- 
— 
. 1 
.3 
— 
— 
Bufflehead- 
.1 
. 1 
.1 
.4 
same 
- 75 
Ruddy duck- 
3.6 
1.4 
5.0 
6.3 
5.0 
- 21 
same 
Subtotal- 
6.5 
3.5 
10.0 
11.1 
12.3 
- 10 
- 19 
Miscellaneous ducks - 
.2 
— 
.2 
.1 
.2 
+100 
same 
Total. 
21.6 
12.2 
33.8 
33.3 
44.2 
+ 02 
- 24 
2 Class II and m broods only. 
As indicated by adult pairs and singles. 
