期刊
WILSON JOURNAL OF ORNITHOLOGY
卷 122, 期 2, 页码 354-360出版社
WILSON ORNITHOLOGICAL SOC
DOI: 10.1676/09-094.1
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- California Academy of Sciences
We document the molt sequence of flight feathers in Turkey Vultures (Cathartes aura) based on studies of captive and wild birds. and examination at museum specimens We found an unusual pattern of primary replacement. which appears to be a modified form of Staffelmauser, or stepwise wing molt A Staffelmausen-like strategy for replacement at the secondaries is also described These patterns of feather replacement appear to be adaptations to maintain flying performance while replacing all primaries and most secondaries during each molt To what extent molt patterns in Turkey Vultures reflect convergent adaptation for flight. rather than ancestral characters useful for phylogenetic studies, remains unknown Received 15 June 2009 Accepted 12 Jaunary 2010
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