Table 33. Mallard Age Ratios in the Wing Collection 
Immatures Adult Immatures/Adult 
Minnesota | 602 500 1.20 
Wiscons{n 234 110 os Bs 3 
Michigan 110 43 2.56 
Towa 63 119 0.53 
Illinois 320 497 0. 64 
Indiana 19 13 1.46 
Ohio 79 51 1.55 
Missourtl 182 357 0.51 
Rentucky 2 9 0.22 
Arkansas 302 599 0.50 
Tennessee 60 122 0.49 
Louisiana 53 87 0.61 
Mississippi 16 26 0. 62 
Alabama 6 11 0.55 
eee 
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