TABLE B-3.--Age ratios, by species, determined from wing collections, Mississippi and Atlantic 
Flyways, hunting seasons 1959-60 and 1960-61 
Number of-- 
Wings received Immatures per adult? 
Species ; sip 
Mississippi Flyway Atlantic Flyway Mississippi Flyway Atlantic Flyway 
ea Rite pe 1959-60 1960-61 ists 

Mallard-------------- 0.77 2.52 
Black duck----------- 2.10 2.10 
Gadwall -------------- 1.39 2 3.98 
American widgeon----- 1.60 1.30 
Green-winged teal-~--- 1.95 2.57 
Blue-winged teal----- 1.59 2.58 
Shoveler-------~--+---- 2.34 2 12.48 
Pintail-------------- 1.12 1.92 
Wood duck--~-----~---- 1.45 2.08 
Greater scaup-------- 2.20 2.29 
Lesser scaup----+---- 1.17 1.75 
Ring-necked duck----- 1.47 2-11 
Buff lehead----------- 2.02 0.97 
Goldeneye------------ s= 1.19 
1 Data from each State contributing to Flyway-wide age ratio weighted in proportion to estimated size of the kill. 
2 Sample size too small for reliable estimate. 
TABLE B-4. --Age ratios of mallard determined from wing collections, Mississippi Flyway, 
hunting seasons 1959-60 and 1960-61 
Number of-- 
Location of kill Wings received Immatures per Adult 
1959-60 1960-61 1959-60 1960-61 
1.2 3.0 
2.1 3.3 
2.6 4.1 
0.5 1.8 
0.6 1.3 
1.5 0.9 
1.6 2.7 
0.5 1.3 
- 0.8 
0 1.3 
0 1.1 
0 1.3 
0 0.9 
2.9 

56 
