TABLE A-2. --Number of birds observed, by species, Pacific Flyway 
extended, winter survey, 1963 and 1964 
196: 
1964 
Percent 
Species 
Number 
Percent 
Number 
Percent 
change 
Ducks: 
Dabblers: 
Mallard- 
2,642,011 
26.3 
2,060,859 
21.6 
- 21.9 
Gadwall- 
126,869 
1.2 
72,544 
0.8 
- 42.8 
American widgeon - - 
1,162,713 
11.5 
959,746 
10. 0 
- 17.4 
Green-winged teal - - 
418,703 
4.1 
637,971 
6.7 
+ 52.3 
Blue-winged and 
cinnamon teal- 
89,569 
0.8 
181,238 
1.9 
+105.2 
Shoveler- 
497,319 
4.9 
379,619 
4.0 
- 24.6 
Pintail- 
2,072,821 
20.6 
2,389,555 
25.1 
+ 15.2 
Wood duck- 
1,185 
Trace 
1,088 
Trace 
— 
Tree duck- 
40,545 
0.4 
41,550 
0.4 
+ 2.5 
Subtotal- 
7,051,735 
69.8 
6,724,170 
70. 5 
- 4.7 
Divers: 
Redhead - 
45,406 
0.4 
52,700 
0.5 
+ 16.0 
Canvasback - 
100,824 
1.0 
80,778 
0.8 
- 19.8 
Scaup- 
437,285 
4.3 
279,919 
2.9 
- 36.0 
Ring-necked duck- 
7,220 
Trace 
9,891 
0.1 
+ 36.9 
Goldeneye- 
59,953 
0. 5 
59,285 
0. 6 
- 1.1 
Bufflehead- 
34,438 
1. 9 
25,911 
0.3 
- 24.7 
Ruddy duck- 
193,229 
1.9 
159,202 
1.8 
- 17.6 
Subtotal- 
878,355 
8.4 
667,686 
7.0 
- 2.4 
Miscellaneous: 
Eider and scoter-— 
103,251 
1.0 
79,972 
0.8 
- 22.5 
Old squaw- 
300 
Trace 
330 
Trace 
+ 10.0 
Merganser- 
36,074 
0.3 
24,567 
0.3 
- 31.8 
Subtotal - 
139,625 
1.3 
104,869 
1.1 
- 24.9 
Unidentified- 
92,768 
0.9 
75,285 
0.7 
Total ducks- 
8,162,483 
82.2 
7,572,010 
79. 5 
- 7.2 
Geese: 
Snow goose - 
482,911 
4.8 
453,891 
4.8 
- 6.0 
Ross' goose - 
25,253 
0.2 
32,450 
0.3 
+ 28.5 
White-fronted goose- 
128,566 
1.3 
171,756 
1.7 
+ 33.6 
Canada goose- 
206,257 
2.0 
217,639 
2.3 
+ 5.5 
Cackling goose- 
238,327 
2.4 
108,995 
1.2 
- 54.3 
Total geese- 
1,081,314 
10.7 
984,731 
10.3 
- 9.0 
Black brant- 
140, 025 
1.4 
185,287 
2.0 
+ 35.9 
Swans: 
Whistling swan- 
46,772 
0.5 
29,572 
0.3 
- 36.8 
Trumpeter swan- 
170 
Trace 
274 
Trace 
+ 61.1 
Total swans- 
46,942 
0.5 
29,846 
0.3 
- 36.4 
Coots -- 
605,103 
6.0 
754,824 
7.9 
+ 24.7 
Grand total- 
10,035,867 
100.0 
9, 526, 698 
100.0 
- 5.1 
38 
