TABLE A-14.—Number of birds, by species, east coast 
of Mexico, winter survey, January 1964 and 1963 
Species 
Ducks: 
Dabblers: 
Mallard- 
Mottled duck- 
Gadwall- 
American widgeon- 
Green-winged teal- 
Blue-winged teal-- 
Shoveler- 
Pintail- 
Wood duck- 
Tree duck- 
Subtotal- 
Divers: 
Redhead - 
Canvasback- 
Scaup- 
Ring-necked duck- 
Goldeneye- 
Bufflehead- 
Ruddy duck- 
Subtotal- 
Miscellaneous: 
Merganser- 
Unidentified- 
Total ducks- 
Geese: 
Snow--- 
Blue- 
White-fronted- 
Canada- 
Total geese- 
Swans: 
Whistling- 
Trumpeter- 
Coots- 
Grand total- 
1964 
1963 
57 
212 
170 
243 
68,054 
21,753 
70,799 
55, 343 
30,798 
18,086 
136,337 
49, 736 
48,418 
12,672 
90,392 
32,256 
— 
83 
29,142 
32,644 
474,167 
223,028 
49,153 
43,879 
11,207 
5,724 
76,370 
76,262 
20,091 
26,109 
45 
262 
10,560 
782 
167,426 
153, 018 
82 
1,301 
— 
66,303 
641,675 
443,650 
6,850 
3,140 
33,036 
22,478 
7,806 
8,187 
47, 692 
33, 805 
11 
— 
450,240 
301,259 
1,139,618 
778,714 
47 
