Bird evolution. Surprise hummingbird fossil sets experts abuzz.
Stokstad
Erik
E
D000569:Americas; D000818:Animals; D005075:Biological Evolution; D001717:Birds / Q000033:anatomy & histology / Q000145:classification; D001842:Bone and Bones / Q000033:anatomy & histology; D005060:Europe; D005580:Fossils; D005858:Germany