TABLE D-24. — Age ratios of wood duck determined from wing collections 
during hunting seasons 1960-61, 1961-62, 1962-63, and 1963-64 
Number of— 
Location of kill 
Wings received 
Immatures per adult 
1960-61 
1961-62 
1962-63 
1963-64 
1960-61 
1961-62 
1962-63 
1963-64 
Mississippi Flyway: 
Minnesota- 
81 
72 
308 
790 
3.0 
3.2 
1.8 
2.6 
Wisconsin- 
184 
140 
717 
1,113 
2.0 
2.2 
1.1 
1.5 
Michigan- 
76 
86 
333 
424 
1.6 
2.0 
1.0 
2.0 
Iowa- 
73 
56 
95 
406 
2.8 
3.7 
2.4 
2.2 
Illinois- 
74 
102 
193 
209 
3.6 
1.6 
1.1 
2.2 
Indiana - - - -- 
43 
50 
147 
72 
1.9 
1.6 
1.3 
2.8 
Ohio- 
118 
129 
462 
417 
2.5 
2.2 
1.8 
2.6 
Missouri- 
34 
30 
64 
125 
7.5 
2.3 
1.4 
1.9 
Kentucky-- 
11 
6 
23 
13 
— 
— 
0.6 
— 
Arkansas - 
64 
8 
143 
234 
1.0 
— 
1.0 
1.0 
Tennessee - 
40 
28 
22 
15 
1.0 
2.1 
1.2 
1.4 
Louisiana----- 
85 
58 
466 
240 
1.7 
1.4 
1.3 
1.6 
Mississippi- 
70 
23 
159 
9 
0.7 
0.8 
0.6 
1.3 
Alabama- 
Flyway weighted ratio 2 
91 
29 
117 
93 
1.6 
1.1 
0.7 
1.2 
_ 
_ 
„ 
__ 
2706 
2.11 
1.25 
1.81 
Atlantic Flyway: 
Maine- 
190 
111 
108 
158 
1.6 
1.6 
1.8 
1.1 
Vermont- 
96 
68 
111 
96 
L9 
2.2 
1.6 
3.0 
New Hampshire- 
10 
48 
121 
59 
_1 
1.7 
2.0 
1.4 
Massachusetts- 
30 
83 
114 
57 
2.3 
2.3 
1.0 
2.9 
Connecticut- 
32 
7 
63 
39 
3.6 
— 
1.3 
2.0 
Rhode Island- 
— 
1 
— 
7 
— 
— 
— 
— 
New York- 
333 
516 
357 
71 
1.9 
1.8 
1.7 
3.1 
Pennsylvania- 
88 
41 
215 
397 
2.5 
1.6 
1.8 
1.8 
West Virginia- 
43 
22 
49 
19 
3.8 
2.7 
1.2 
— 
New Jersey- 
4 
4 
56 
69 
— 
— 
1.3 
2.1 
Delaware- 
1 
5 
1 
27 
— 
— 
— 
1.8 
Maryland- 
8 
12 
32 
29 
— 
— 
1.5 
1.0 
Virginia- 
43 
110 
87 
84 
3.8 
1.2 
1.8 
1.1 
North Carolina- 
189 
164 
202 
185 
2.2 
2.2 
1.3 
1.8 
South Carolina- 
131 
112 
155 
226 
1.7 
1.3 
1.1 
1.1 
Georgia- 
17 
10 
61 
192 
— 
— 
0.7 
1.4 
Florida- 
60 
85 
336 
462 
2.5 
0.9 
1.0 
1.4 
Flyway weighted ratio 2 - 
_ 
_ 
2.10 
1.66 
1.29 
1.48 
Continental United States weighted ratio 2 
1.83 
1.28 
1.70 
*Ratio not shown if based on less than 20 wings. 
2 
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. 
138 
