Table 28 
SPECIES COMPOSITION OF WATERFOWL POPULATIONS IN THE EASTERN BAY SECTION 


January 
Populations: Seasonal Population Changes in 1958-59 
Average | (Percentages ) 
Percentages, 
1955-58 Oct.2-10 Nov.3-12 Dec.1-12 Jan.7-13 Mar.3-16 
Whistling Swan h + 12 hy 11 
Canada Goose 21 6 53 7 26 36 
Mallard 5 2 Bl 8 9 1 
Black Duck 15 hy 23 17 15 7 
Gadwall + 
Pintail mM 2 1 1 1 1 
Green-winged Teal + + + 
American Widgeon 9 37 16 6 1 5 
Wood Duck + 
Cate 7 7 21 1 
Ring-necked Duck 1 + + + 
Canvasback 21 1 13 23 
Scaup 3 + 5 7 
Common Goldeneye 
and Bufflehead 3 1 5 h 7 
Oldsquaw + + + 
Scoters 1 8 : + + + 
Ruddy Duck 1 3 2 + 
Mergansers + + + + 
American Coot 3 + + 
Unidentified Ducks + + 
Total Percent 100 100 100 100 100 100 
Total Populations 135,300 4,000 19,800 64,000 11,100 49,900 
101 
