TABLE D-20.—Age ratios of mallard determined from wing collections, during 
hunting seasons 1960-61, 1962-63, and 1963-64 (continued) 
Number of-- 
Location of kill 
Wings received 
Immatures per adult 
1961-62 
1962-63 
1963-64 
1961-62 
1962-63 
1963-64 
Atlantic Flyway: (cont’d) 
Maryland- 
66 
311 
245 
1.4 
1.2 
1.2 
Virginia- 
105 
174 
225 
0.8 
1.0 
0.8 
North Carolina- 
48 
101 
127 
0.9 
0.9 
1.2 
South Carolina- 
101 
98 
165 
0.6 
1.3 
1.2 
Georgia-- 
1 
28 
44 
— 
1.0 
1.5 
Florida- 
21 
33 
56 
2.5 
1.2 
2.4 
Flyway weighted ratio 2 - 
— 
— 
— 
1.95 
1.53 
1.72 
Continental United States weighted ratio 2 
1.05 
1.26 
1.36 
1 Ratio not shown if based on less than 20 wings. 
o 
In estimating flyway and United States ratios, the ratio for each State was weighted in proportion to 
the estimated size of the kill in that State. 
3 
E-East, W-west of the Continental Divide. 
134 
