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High rates of infidelity in the Grey Fantail Rhipidura albiscapa suggest that testis size may be a better correlate of extra-pair paternity than sexual dimorphism

Joseph I. Hoffman, Auteur ; Kat Munro, Auteur ; Rebecca M. Kilner, Auteur ; William Amos, Auteur

Dans Ibis (152(2) APR 2010)

The Grey Fantail Rhipidura albiscapa is a socially monogamous passerine endemic to Australia. Behavioural and morphological clues point to opposing conclusions as to its breeding system; sexual monomorphism and monochrome colorations suggest mon[...]

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