TABLE A-11.—Number of birds observed, by species, Atlantic Flyway extended, 
winter survey, 1963 and 1964 
Species 
1963 
1964 
Percent 
change 
Number 
Percent 
Number 
Percent 
Ducks: 
Dabblers: 
Mallard- 
252,680 
6.4 
261,900 
6.5 
+ 3.6 
Black duck- 
334,780 
8.5 
366,300 
9.1 
+ 9.4 
Mottled duck- 
5,400 
0.1 
4,900 
0.1 
- 9.2 
Gadwall- 
37,720 
0.5 
31,400 
0.8 
- 16.8 
American widgeon- 
114,610 
2.9 
122,500 
3.1 
+ 6.9 
Green-winged teal- 
110,394 
2.8 
74,100 
1.9 
- 32.9 
Blue-winged teal- 
34,310 
0.9 
18/000 
0.4 
- 47.5 
Shoveler- 
21, 690 
0.5 
15,700 
0.4 
- 27.6 
Pintail- 
181,700 
4.6 
170,700 
4.3 
- 6.0 
Wood duck- 
19,230 
0.4 
(1) 
-- 
— 
Subtotal- 
1,112,514 
28.1 
1,065,500 
26.6 
- 4.2 
Divers: 
Bedhead-- 
130,576 
3.3 
142,800 
3.6 
+ 9.4 
Canvasback- 
164,050 
4.1 
190,000 
4.7 
+ 15.8 
Scaup - 
611,773 
15.5 
856, 900 
21.4 
+ 40.1 
Ring-necked duck- 
134,310 
3.4 
168,500 
4.2 
+ 25.4 
Goldeneye-- 
100,010 
2.5 
84,400 
2.1 
- 15.6 
Bufflehead- 
36,912 
0.9 
29,500 
0.7 
- 20.1 
Ruddy duck- 
62,820 
1.6 
57,100 
1.4 
- 9.1 
Subtotal- 
1,240,451 
31.3 
1,529,200 
38.1 
+ 31.3 
Miscellaneous: 
Eider and scoter- 
200,918 
5.1 
102,300 
2.7 
Oldsquaw - 
21,080 
0.5 
3,500 
Trace 
- 83.4 
Morganser- 
55,945 
1.4 
24,800 
0.6 
- 55.7 
Subtotal- 
277,943 
7.0 
130,600 
3.3 
- 53.0 
Unidentified- 
233,828 
5.9 
68,300 
— 
- 71.3 
v Total ducks- 
2,864,736 
72.4 
2,793,600 
69.6 
- 2.5 
Geese: 
Snow goose- 
64,920 
1.6 
59,700 
1.5 
- 8.0 
Blue goose- 
120 
Trace 
500 
Trace 
+316.7 
Canada goose- 
480,816 
12.1 
528,200 
13.2 
+ 9.8 
Total geese- 
545, 856 
13.8 
588,400 
14.7 
+ 7.8 
American brant- 
167,405 
4.2 
182,900 
4.6 
+ 9.2 
Whistling swan- 
61,452 
1.5 
62,300 
1.6 
+ 1.4 
Coots- 
323,540 
8.1 
386,600 
9.6 
+ 19.5 
Grand total- 
3,962,989 
100. 0 
4,013,800 
100.0 
+ 1.2 
■Stfbod duck included with unidentified. 
45 
