Size scaling and stiffness of avian primary feathers: implications for the flight of Mesozoic birds
Abstract
The primary feathers of birds are subject to cyclical forces in flight causing their shafts (rachises) to bend. The amount the feathers deflect during flight is dependent upon the flexural stiffness of the rachises. By quantifying scaling relationships between body mass and feather linear dimensions in a large data set of living birds, we show that both feather length and feather diameter scale much closer to predictions for geometric similarity...
Paper Details
Title
Size scaling and stiffness of avian primary feathers: implications for the flight of Mesozoic birds
Published Date
Jan 19, 2012
Volume
25
Issue
3
Pages
547 - 555
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