Table 1. Stable-hydrogen isotope values (δD) and BCRmax of Cerulean Warbler breeding origins based on δD values from precipitation and the prior probability of site fidelity (see Methods). Values to left of slash are number of adult (ASY) males, values to right of slash are number of young (SY) males.
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Most likely assignments to BCR regions (BCRmax)
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Capture Region
(year t) |
Feather
δD values (mean ‰) |
BCR 13/23 |
BCR
22/24 |
BCR
26/27 |
BCR
28/29 |
BCR
30 |
Totals |
Relative abundance |
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BCR 13 (ON) |
-89/-88 |
14/8 |
0/0 |
0/0 |
0/0 |
1/0 |
15/8 |
0.08 |
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BCR 22 (IL) |
-78/-78 |
5/0 |
11/1 |
0/0 |
2/0 |
0/0 |
18/1 |
0.12 |
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BCR 28 (PA) |
-76/-77 |
2/0 |
1/0 |
0/0 |
9/7 |
0/0 |
12/7 |
0.01 |
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BCR 28 (WV) |
-68/-71 |
0/0 |
2/0 |
4/2 |
7/6 |
0/0 |
13/8 |
0.48 |
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BCR 26 (TN) |
-59/-61 |
0/0 |
1/0 |
10/7 |
0/1 |
2/0 |
13/8 |
0.12 |
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Totals |
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21/8 |
15/1 |
14/9 |
18/14 |
3/0 |
71/32 |
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