TABLE B-66.—Waterfowl breeding population, Alberta, 1963 and 1964 
Species 
Total 
10-Year 
Average 
Percent change from— 
1963 
1964 
1963 
Average 
Ducks: 
Dabblers: 
Mallard- 
1,265 
1,146 
1,695 
-9 
-32 
Gadwall- 
224 
292 
211 
+30 
+38 
American widgeon - - 
311 
360 
427 
+16 
-16 
Green-winged teal - - 
137 
131 
122 
— 
+7 
Blue-winged teal 1 - 
421 
617 
708 
+47 
-13 
Shoveler- 
404 
432 
525 
+7 
-18 
Pintail- 
767 
579 
1,808 
-25 
-68 
Subtotal- 
3,529 
3,557 
5,496 
+8 
-35 
Divers: 
Redhead - 
111 
163 
136 
+47 
+20 
Canvasback- 
180 
143 
125 
-21 
+14 
Scaup- 
787 
667 
673 
-15 
— 
Ring-necked duck- 
1 
— 
— 
— 
— 
Goldeneye - 
36 
11 
— 
-69 
— 
Bufflehead- 
37 
23 
— 
-38 
— 
Ruddy duck- 
132 
90 
54 
-32 
+67 
Subtotal- 
1,284 
1,097 
988 
-15 
+11 
Miscellaneous: 
Scoter- 
6 
32 
— 
+433 
— 
Unidentified- 
9 
9 
— 
— 
— 
Total ducks- 
4,828 
4, 695 
6,484 
-3 
-28 
Water areas (per 
sq. mi.)- 
8.8 
5.6 
8.4 
-36 
-33 
l 
Includes cinnamon teal 
