Data from: Barb geometry of asymmetrical feathers reveals a transitional morphology in the evolution of avian flight ...

• Main Authors: Feo, Teresa J., Field, Daniel J., Prum, Richard O.
• Format: Dataset
• Language: English
• Published: Dryad 2015
• Subjects: Athene cunicularia; Junco hyemalis; Nymphicus hollandicus; Gallinula neiotis; Eopengornis martini; Todus mexicanus; asymmetrical flight feather; Petrochelidon pyrrhonota; Zenaida asiatica; Atlantisia rogersi; Calypte anna; Gavia immer; Chordeiles acutipennis; Podilymbus gigas; Callipepla californica; Pipra mentalis; Dendragapus canadensis; Archaeopteryx; Alectoris Chukar; Gallirallus sylvestris; Larus marinus; Oporornis tolmiei; Numenius americanus; Falco columbarius; Chaetura pelagica; Porzana atra; Gallirallus australis; Tachyeres leucocephalus; Protonotaria citrea; Pica nuttalli; Passerella iliaca; Zonotrichia albicollis; Columbina passerina; Spizella pusilla; Aphelocoma californica; Anser fabalis; Seiurus motacilla; Streptopelia decaocto; Sphyrapicus varius; Coragyps atratus; Elanus leucurus; Cathartes aura; Numida meleagris; Strigops habroptilus; Cyanocitta stelleri; Dendroica coronata; Vermivora celata; Pinguinus impennis; Megacrex inepta; Progne subis; Chukar; Inepta
• Online Access: https://dx.doi.org/10.5061/dryad.7vb83; https://datadryad.org/stash/dataset/doi:10.5061/dryad.7vb83

The geometry of feather barbs (barb length and barb angle) determines feather vane asymmetry and vane rigidity, which are both critical to a feather's aerodynamic performance. Here, we describe the relationship between barb geometry and aerodynamic function across the evolutionary history of as...