Table 50. Seasonal Changes in Age Ratios of Lesser Seaup 
EE ——— Se 
State Period Age Ratio Sample Size 

Minnesota Oct. 7-13 0.73. 85 
" §©14=20 1.31 247 
" 21-27 2.09 142 
Oct. 28-Nov. 3 Ze 48 94 
Nov. 4=25 1.62 20 
Wisconsin Oct. 7-13 0. 29 27 
"614-20 0.81 56 
"21-27 | 2.67 33 
Oct. 28-Nov. 3 1.40 . 24 
Nov. 4-25 1.10 19 

Table 51. Regional Differences in Age Ratios of Ring-necked Ducks 


Number of: Age Ratio 
State Imatures Adults Imm /Adult 
Minnesota 194 108 1.80 
Wisconsin 59 aT 2.19 
Michigan 9 6 1.50 
Total 262 147 1.86 
Towa 6 3 
Illinois 13 10 
Indiana 0 0 
Ohio 5 10 
Total —— a a es 1.04 
Missouri T 7 
Arkansas 2 5 
Tennessee 0 als 
Iouisiana 3 T 
Mississippi 2 5 
Alabama 10 12 
Total a 383 0.73 

Table 52. Seasonal Changes in Age Ratios of Ring-necked Ducks 
in Minnesota 
eect 
Period | Tae ae ena Sample Size 
Oct. 7 - 13 1.77 180 
14 = 20 12? 61 
Oct. 21-Nov. 5 0.55 59 
- 98 - 

