Table 56. Seasonal Changes in Sex Ratios of por Mallards in Nine 
States of the Mississippi Flyway (Cont' a) 
Adult Sex Ratio 






State Period Males/100 Females Sample Size . 
Arkansas 
Nov. 30-Dec.4 143 163 
Dec. 5-ll 113 64 
" 12-18 280 114 
"19-25 221 106 
Dec. 26-Jan. 1 256 89 
Jan. 2-8 195 59 
Total 190 | 595 
Tennessee 
Nov. 30-Dec.6 147 37 
Dec. 7-20 250 35 
Dec. 21-Jan.8 257 50 
Total 213 122 
Louisiana 
Nov. 26-Dec. 14 147 : 37 
Dec. 15-Jan. 4 92 46 
Total 113 83 

~106- 
