46 






Table 4. -- Summary of 1950 Nesting Data * 
Total Total 
Species nests followed to Number Number Percent 
found completion hatched failed hatched 
a i peed 
Mallard 45 4] 17 24 
Gadwall l 1 l 0 
Baldpate 1 l 0 1 
Pintail 6 2 2 0 
G-w, teal A 1 0 1 
B-w. teal 12 10 3 7 
Shoveler 1 ] l 0 
Total dabblers 68 57 24 33 43.0 
Redhead ~* 15 14 5 9 
Canvasback 59 51 31 20 
Scaup 5 3 2 ] 
Ruddy 34 18 14 4 
Total divers 113 86 Be 34 60.5 
All ducks © 181 143 76 67 53.0 
* Additional nesting data are presented in Bossenmaier's report on 
Whitewater Lake. j 
