TABLE D-23. - -Age ratios of pintail determined from wing collections, during 
hunting seasons 1960-61, 1961-62, 1962-63, and 1963-64 
Location of kill 
Number of— 
Wings received 
Immatures per adult 
1961-62 
1962-63 
1963-64 
1961-62 
1962-62 
1963-64 
Pacific Flyway: 
Washington- 
167 
393 
491 
1.5 
2.5 
1.8 
Oregon- 
137 
287 
471 
1.4 
1.8 
2.1 
Idaho- 
46 
71 
136 
1.6 
1.4 
2.7 
California- 
1,350 
1,675 
2,809 
0.5 
1.0 
1.1 
Nevada- 
29 
44 
118 
2.2 
1.4 
2.1 
Utah- 
103 
563 
620 
0.4 
0.7 
0.9 
Arizona--- 
16 
29 
47 
— 
2.6 
1.6 
Flyway weighted ratio 2 - 
— 
— 
_ 
0.59 
1.09 
1.22 
Central Flyway: 
Montana 3 (E)- 
37 
21 
45 
0.2 
0.9 
3.1 
(W)- 
29 
26 
20 
0.3 
2.3 
5.7 
North Dakota- 
27 
115 
240 
8. 0 
2.1 
3.4 
South Dakota- 
11 
136 
356 
_1 
2.0 
2.3 
Wyoming (E)- 
3 
— 
5 
— 
— 
— 
<W)- 
1 
6 
10 
— 
— 
— 
Nebraska - 
37 
30 
112 
5.2 
0.9 
1.3 
Colorado (E)- 
10 
20 
54 
— 
1.9 
3.2 
<W)- 
— 
3 
4 
— 
— 
— 
Kansas- 
119 
73 
82 
2.8 
2.5 
1.9 
New Mexico- 
24 
3 
29 
1.4 
— 
0.5 
Oklahoma- 
18 
21 
22 
— 
1.1 
1.9 
Texas--- 
125 
551 
580 
0.5 
0.6 
0.8 
Flyway weighted ratio- 
__ 
— 
— 
1725 
1.09 
1.40 
Mississippi Flyway: 
Minnesota- 
57 
94 
216 
1.9 
1.8 
3.2 
Wisconsin- 
53 
253 
180 
3,4 
2.8 
3.6 
Michigan- 
53 
50 
50 
3.1 
1.6 
6.1 
Iowa- 
31 
29 
93 
14.5 
2.6 
2.2 
Illinois-- 
68 
64 
78 
3.3 
2.2 
1.8 
Indiana- 
4 
10 
6 
— 
— 
— 
Ohio- 
21 
58 
50 
2.0 
2.9 
4.3 
Missouri- 
46 
62 
89 
4.1 
3.1 
2.4 
Kentucky- 
— 
0 
1 
— 
— 
— 
Arkansas - 
3 
12 
14 
— 
— 
— 
Tennessee - 
7 
6 
15 
— 
— 
— 
Louisiana- 
187 
343 
240 
0.6 
0.6 
0.9 
Mississippi- 
10 
5 
9 
— 
— 
— 
Alabama- 
31 
73 
93 
1.1 
0.4 
1.0 
Flyway weighted ratio 2 
_ 
1.52 
1.30 
1.59 
Continental United States weighted ratio 2 
0.76 
1.10 
1.29 
^^Ratio not shown if based on less than 20 wings. 
2 
Li 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. 
q 
E-East, W-west of the Continental Divide. 
137 
