Does the relative abundance of large versus small arboreal marsupials determine sexual dimorphism in Powerful Owls?

Gerald Olsen, David Kendall JUDGE, Susan Trost, A Rose

    Research output: Contribution to journalArticle

    3 Citations (Scopus)

    Abstract

    The size of prey taken by Powerful Owls Ninox strenua, the relative densities (abundance) of small versus large arboreal marsupials in eucalypt forests, the lack of asymmetrical ears in Ninox owls, and the male’s habit of roosting on dead prey during the day may be clues to understanding ‘Normal’ Sexual Size Dimorphism in large Ninox species, the inverse of the ‘Reversed’ Sexual Dimorphism found in most owls, hawks and falcons.
    Original languageEnglish
    Pages (from-to)22-39
    Number of pages18
    JournalAustralian Field Ornithology
    Volume30
    Publication statusPublished - 2013

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