Data from: Age-dependent trajectories differ between within-pair and extra-pair paternity success

Yu-Hsun Hsu, Mirre J. P. Simons, Julia Schroeder, Antje Girndt, Isabel S. Winney, Terry Burke, Shinichi Nakagawa & Y.-H. Hsu
Reproductive success is associated with age in many taxa, increasing in early life followed by reproductive senescence. In socially monogamous, but genetically polygamous species, this generates the interesting possibility of differential trajectories of within-pair and extra-pair siring success with age in males. We investigate these relationships simultaneously using within-individual analyses with 13 years of data from an insular house sparrow (Passer domesticus) population. As expected, we found that both within- and extra-pair paternity success increased...
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