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Allometry, bilateral asymmetry and sexual differences in the vocal tract of common eiders Somateria mollissima and king eiders S-spectabilis

Edward H. Miller, Auteur ; Joni Williams, Auteur ; Sarah E. Jamieson, Auteur ; H. Grant Gilchrist, Auteur ; Mark L. Mallory, Auteur

Dans Journal of Avian Biology (38(2) MAR 2007)

Intraspecific sexual differences, high variation, and positive allometry of sexually-selected external display structures are common. Many sexually-selected anatomical specializations occur in the avian vocal tract but intraspecific variation an[...]

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