B. WATERFOWL BREEDING GROUND SURVEY TABLES 
TABLE B-l. —Waterfowl breeding population index, Alaska, 1965 
[Index numbers in thousands] 
Stratum 
Total 
Average 
Percent change 
from— 
Species 
1 
2 
1964 
1965 
1956-64 
1964 
Average 
Ducks: 
Dabblers: 
Mallard- 
12.3 
15.1 
67.0 
27.4 
68.7 
-59 
-60 
Gadwall- 
-- 
— 
0.8 
— 
— 
— 
Widgeon- 
7.9 
32.5 
35.7 
40.4 
39. 6 
+13 
+ 2 
Green-winged teal 
4.5 
9.8 
10.5 
14.3 
5.4 
+36 
+166 
Shoveler- 
— 
3.6 
7.5 
3.6 
7.0 
-52 
-49 
Pintail. 
128.4 
111.2 
378.8 
239.6 
342.5 
-36 
-30 
Subtotal- 
153.1 
172.2 
500.3 
325.3 
462.2 
-35 
-30 
Divers: 
Canvasback — 
1.7 
19.1 
11.2 
20.8 
10.3 
+86 
+102 
Scaup- 
166.0 
188.7 
562.3 
354.7 
535.4 
-37 
-34 
Goldeneye- 
0.6 
8.9 
8.5 
9.5 
15.2 
+ 11 
-38 
Buf fie head-- 
0.6 
28.0 
32.0 
28.6 
26.7 
-11 
+ 7 
Subtotal- 
168.9 
244.7 
614.0 
413.6 
587.6 
-33 
-30 
Miscellaneous: 
Scoter- 
163.8 
26.7 
148.1 
190.5 
247.3 
+29 
-23 
Eider- 
27.0 
— 
19.6 
27.0 
18.5 
+37 
+46 
Oldsquaw- 
48.2 
1.3 
92.5 
49.5 
85.5 
-47 
-42 
Subtotal- 
239.0 
28.0 
260.2 
267.0 
351.3 
+ 3 
-24 
Total ducks — 
561.0 
444.9 
1,374.5 
1, 005.9 
1,402.1 
-27 
-28 
Swans: 
Whistling swan- 
62.3 
— 
50.4 
62.3 
64.4 
+ 24 
- 3 
39 
