Abstract:
:Avian wing shape is highly variable across species but only coarsely associated with flight behavior, performance, and body mass. An underexplored but potentially explanatory feature is the ability of birds to actively change wing shape to meet aerodynamic and behavioral demands. Across 61 species, we found strong associations with flight behavior and mass for range of motion traits but not wing shape and strikingly different associations for different aspects of motion capability. Further, static morphology exhibits high phylogenetic signal, whereas range of motion shows greater evolutionary lability. These results suggest a new framework for understanding the evolution of avian flight: Rather than wing morphology, it is range of motion, an emergent property of morphology, that is predominantly reshaped as flight strategy and body size evolve.
journal_name
Sci Advjournal_title
Science advancesauthors
Baliga VB,Szabo I,Altshuler DLdoi
10.1126/sciadv.aaw6670subject
Has Abstractpub_date
2019-10-23 00:00:00pages
eaaw6670issue
10issn
2375-2548pii
aaw6670journal_volume
5pub_type
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