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. 2020 Feb 25;4(2):124–136. doi: 10.1002/evl3.162

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© 2020 The Authors. Evolution Letters published by Wiley Periodicals, Inc. on behalf of Society for the Study of Evolution (SSE) and European Society for Evolutionary Biology (ESEB).

This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Distributions of observed extra‐pair paternity rate shown as (A) a proportion (mean 0.288 ± 0.371 SD) and (B) a binomial trait as analyzed across 1177 observed song sparrow broods, and the expected immigrant genetic group contributions (q _i) to (C) 295 phenotyped females (mean 0.39 ± 0.24 SD) and (D) 309 phenotyped males (mean 0.38 ± 0.20 SD). Mean contributions across 281 phenotyped females and 304 phenotyped males that hatched on Mandarte were 0.36 ± 0.20 SD and 0.37 ± 0.19 SD, respectively. In (B), black, dark gray, mid gray, light gray, and white denote broods that contained 4, 3, 2, 1, and 0 extra‐pair offspring, respectively, within each brood size. One brood of five offspring (four extra‐pair) is not depicted.