Table 35. Seasonal Changes in Mallard Age Ratios in Certain States of 
the Mississippi 
State | Period 





Age Ratio Sample Size 
Imm /Adult 
Minnesota 
Oct. 7 1.91 204 
8-13 1.11 545 
" 614-20 0.83 117 
Oct.21-Nov. 3 1.17 152 
Nov. 4-25 1.33 77 
Total 1.21 1,095 
Wiscons in Oct. 7 Da 00 30 
“ 8-13 2.52 155 
" 14-27 1.42 104 
Oct. 28-Nov. 25 1.89 52 
Total 2.10 341 
Michigan Oct. 7-11 4.54 61 
"12-25 20 38 54 
Oct. 26-Nov. 15 1. 06 33 
Total 2244 148 
Iowa Oct. 20-26 0. 28 69 
Oct. 27-Nov. 2 0.45 45 
Nove 3-Dec. 8 le 00 66 
Total 0.52 180 
Illinois Oct. 30 0-79 52 
Oct. 31-Novo 3 0. 42 158 
Nov. 4-10 0.85 239 
i Nove 1l-17 0. 53 153 
Nove 18-Dec. 8 0 o 80 179 
Total 0.67 781 
Ohio Oct. 16-20 Die 13 47 
Oct. 21-Nov. 24 1.25 81. 
Total 1.51 128 
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