title: Evolution: taking wing with weak feathers.
abstract: Scientists long thought they knew what the wings of early birds looked like. But new reconstructions of Archaeopteryx and its kin suggest quite different feather arrangements on their wings with profound implications for the evolution of flight.
authors.affiliation: Institute of Vertebrate Paleontology and Paleonanthropology, Key Laboratory of Evolutionary Systematics of Vertebrates, Chinese Academy of Sciences, 142 Xiwai Street, Beijing 100044, China. xuxing@ivpp.ac.cn
authors.forename: Xing
authors.initials: X
authors.lastname: Xu
mesh_terms: D000818:Animals; D005075:Biological Evolution; D001717:Birds / Q000033:anatomy & histology* / Q000502:physiology; D005241:Feathers; D005580:Fossils; D014921:Wings, Animal / Q000033:anatomy & histology* / Q000502:physiology