TABLE B-3. —Comparative brood counts from two study areas in interior Alaska, 
1963 to 1965 
Species 
Tetlin 
Yukon Flats 
Number 
broods 
Number 
broods 
1963 
1964 
1965 
1963 
1964 
1965 
Mallard- 
23 
2 
3 
8 
3 
9 
Widgeon- 
23 
6 
7 
41 
14 
39 
Green-winged teal - 
27 
19 
16 
16 
7 
18 
Shoveler —- 
— 
— 
— 
10 
3 
8 
Pintail- 
11 
4 
3 
30 
9 
16 
Canvasback- 
14 
2 
3 
8 
1 
13 
Scaup 1 - 
11 
2 
— 
9 
-- 
12 
Total. 
109 
35 
L 32 
122 
1 37 
115 
1 Scaup not all hatched at time of survey. 
41 
