TABLE B-4. --Comparative brood counts from three study areas in interior Alaska 1962 to 1964 
Species 
Tetlin 
Yukon Flats 
Minto Lakes 
Number broods counted 
Number broods counted 
Number broods counted 
1962 
1963 
1964 
1962 
1963 
1964 
1962 
1963 
1964 
Pintail 
18 
11 
4 
27 
50 
17 
56 
32 
17 
Mallard 
14 
23 
2 
15 
12 
11 
16 
27 
4 
American 
18 
23 
6 
111 
85 
40 
48 
94 
35 
widgeon 
Shoveler 
1 
21 
17 
7 
18 
10 
1 
Blue-winged teal 
1 
Green-winged 
30 
27 
19 
32 
37 
12 
13 
24 
10 
teal 
Scaup 1 
2 
11 
2 
9 
43 
16 
73 
90 
36 
Canvasback 
18 
14 
2 
22 
19 
4 
36 
4 
1 
Goldeneye 
4 
2 
2 
1 
1 
2 
1 
7 
2 
Bufflehead 
14 
8 
4 
3 
4 
4 
21 
15 
8 
Scoter 1 
2 
3 
3 
5 
1 
1 
Unidentified 
14 
3 
8 
3 
Total 
135 
126 
49 
247 
273 
114 
283 
303 
114 
■^Census too early for significant number of these species to have hatched except at Minto. 
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