title: Paleontology. Dramatic fossils suggest early birds were biplanes.
authors.forename: Michael
authors.initials: M
authors.lastname: Balter
mesh_terms: D000818:Animals; D005075:Biological Evolution; D001717:Birds / Q000033:anatomy & histology* / Q000254:growth & development*; D005580:Fossils; D014921:Wings, Animal / Q000033:anatomy & histology* / Q000254:growth & development*