Table 12, Estimates of Preseason Mallard Populations Contributing to the 
Mississippi Flyway Kill Based On Banding, Age Ratios, and Hunting Kill Information. 
Information Source | 1959 1960 
Mallard Hunting Kill” Mail Questionnaire 
Survey 1,279,578 1,548,751 
Mallard Age Ratio in 
Kill (Imm. /Adult) Wing Collection , 
Survey 0.77 1.84 
Mallard Hunting Kill: Mail Questionnaire and 
Wing Collection Survey 
Adults 722,962 545,160 
Inma tures 556 ,616 1,003,591 
ak 
Direct Band Recovery Rate: Preseason Banding Table 11. 
Adults ~ 0.0599 0.0525 
Immatures , 0.0789 0. 0817 
Hunting Kill Rate: Preseason Banding 
Recovery Rate Adjusted a 
wo 
for Non-report of Bands 
Adults 0.1423 0.1247 
Immatures 0.1874 0.1941 
Preseason Population Hunting Kill Divided 
Estimate; By Rate of Kill 
Adults 5,080,548 4,364,772 
Immatures 2,970,202 5,170,479 
Total 8,050,750 9,535,251 
Kill in Canada not measured Explained in 807 ,072 955 ,890 
by prceeason banding in text § 8,857 ,822 10,491,141 
Ue S. os 

* Retrieved birds. 
*kkAyerage recovery rate weighting each banding station equally. 
*kk*k Estimated that 42.1% bands taken were reported (Geis and Atwood, 1961). 
29 
100320 
