Extra-pair paternity in the long-tailed finch Poephila acuticauda

Erica van Rooij, Lee Rollins, Clare HOLLELEY, Simon Griffith

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    6 Citations (Scopus)
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    Abstract

    Although the majority of passerine birds are socially monogamous, true genetic monogamy is rare, with extra-pair paternity (EPP) occurring in almost 90% of surveyed socially monogamous species. We present the first molecular data on the genetic breeding system of the long-tailed finch, Poephila acuticauda, a grass finch endemic to the tropical northern savannah of Australia. Although the species forms socially monogamous pair bonds during the breeding season, we found that extra-pair males sired 12.8% of 391 offspring, in 25.7% of 101 broods. Our findings provide only the second estimate of extra-pair paternity in the estrildid finch family.
    Original languageEnglish
    Article numbere1550
    Pages (from-to)1-10
    Number of pages10
    JournalPEERJ
    Volume2016
    Issue number1
    DOIs
    Publication statusPublished - 2016

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