Data from: Qualitative skeletal correlates of wing shape in extant birds (Aves: Neoaves)

负责人：

关键词：

feather;osteology;Neoaves;forelimb evolution;quill knobs;phylogenetic comparative methods;Aves

DOI：

doi:10.5061/dryad.2p31f

摘要：

Background: Among living fliers (birds, bats, and insects), birds display relatively high aspect ratios, a dimensionless shape variable tha