~96- 
Table 47. Age Ratios of Pintails From Supplemental Wing Collections. 
Fa ed 
Number of Wings 

Immature Adult Unknown or Total Age Ratio 
Location Date Male Female Male Female Incomplete Wings Imm/ Adult 
California 
Tule Lake 11/28/59 1 3 4 7 ~ 14 0.27 
11/29/59 1 4 10 7 1 23 0.29 
11/30/59 1 = 6 7 - 14 0.08 
12/ 1/59 4 7 8 12 1 32 0.52 
12/ 5/59 2 6 10 9 = 27 0.42 
12/15-18/59 0 Lak 15 4 al 21 0.05 
Totals 8 21 53 46 3 131 0.29 
Willows 10/17/59 16 15 39 12 - 82 0.61 
10/24/59 18 7 57 16 = 98 0.34 
10/31/59 32 18 16 29 - 95 1.11 
11/ 7/59 22 24 26 24 1 97 0.92 
11/17/59 14 13 36 36 - 99 0.38 
11/21/59 18 11 51 19 - 99 0.41 
11/28/59 33 16 25 25 ~ | 99 0.98 
12/ 5/59 18 22 41 20 - 101 0. 66 
12/12/59 10 12 35 41 - 98 0.29 
12/19/59 17 18 32 32 - 99 0.55 
12/26/59 1 8 15 13 - 37 0.32 
12/28/59 1 1 23 7 - 32 0.07 
12/29/59 3 4 17 3 ~ 27 0.35 
1/ 2/60 6 11 38 43 - 98 0.21 
1/ 7-8 10 _9 35 44 _ 98 0.24 
Totals 219 189 486 364 1 1259 0.48 
Utah 
Bear River 14 5 42 70 - 131 ~ Q.17 
10/11-10/17/59 4 1 11 15 - 31 0.19 
10/18-11/ 1/59 _Z 4 38 62 Ee ill O,d1 
Totals 25 10 91 147 - 273 0.15 

