
Table 43. Regional Differences in Age Ratios of Blue-winged Teal 



State Number of: e Ratio 
Immatures Adults Immatures per adult 
Minnesota 211 134 1.57 
Wisconsin 95 47 2-02 
Michigan 38 8 4.75 
Total 344 189 1.8 
Lowa 7 0 
Illinois 6 4 
Ohio 5 7 
Total 18 11 l. 6 
Missouri 0 1 
Tennessee 0 1 
Louisiana 2 21 
Total 2 23 0.1 

Table 44 Seasonal Changes in Age Ratios ef Blue-winged Teal 
mR em ge ee 
State Period Immatures Adults Adult 

Minnesota Oct. 7 104 64 1. 62 
Oct. 8-13 94 62 1. 52 
Oct. 14-Nov. 10 13 6 2.17 
Wisconsin Oct. 7 38 15’ 2.53 
Oct. 8-13 43 26 1.65 
Oct. 14-Nov. 10 14 6 - 2033 
oe ial 
