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Geographical variation in bill colour in the Long-tailed Finch: evidence for a narrow zone of admixture between sub-species

Simon C. Griffith, Auteur ; Daniel M. Hooper, Auteur

Dans Emu - Austral Ornithologie (117(2) April, 2017)

The Long-tailed Finch (Poephila acuticauda) is endemic to Australia’s northern tropics and comprises two sub-species differentiated by bill colour: yellow in the western sub-species acuticauda and red in the eastern sub-species hecki. We present[...]

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