Table 25 
SPECIES COMPOSITION OF WATERFOWL POPULATIONS IN THE SUSQUEHANNA FLATS 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 7 9 22 3 
Canada Goose 5 1 17 2h 3 
Mallard 3 + 1 + tr 
Black Duck 8 1 3 16 33 i. 
Pintail + + + be 
Green-winged Teal + 
American Widgeon 12 98 13 3 de 
Redhead 31 6 25 58 
Ring-necked Duck 3 ; 
Canvasback 10 60 2h, 1 1h 
Scaup 6 + 18 
| Common Goldeneye 
and Bufflehead 2 NE 5 19 2 
Scoters + 
Ruddy Duck a 
Mergansers 1 + dp 
American Coot 10 + 7 1 + 
Unidentified Ducks 9 
Total Percent 100 100 100 100 100 100 
Total Populations 28,100 13,600 56, 700 1h, 800 3,500 76,900 
i 
98 
