Table 24.--Sex ratios of trapped samples of mallard 
locals by reference area .l/--continued 
Reference Area 
Males 
Females 
Percent Males 
Eastern Great Lakes 
New York-Lake Ontario Area 
186 
185 
50.1 
S. E. Ontario 
26 
24 
52.0 
Atlantic 
Central and Southern New York 
90 
115 
43. 9 
Maryland 
45 
47 
48.9 
Massachusetts 
27 
33 
45.0 
Totals 
32967 
31236 
51.3 
1/ Includes only wild ducklings for Reference Areas with banded samples 
of 50 or more. 
98 
