… evolutionary implications of major groups of vertebrates (nonavian dinosaurs, … Largest bird
from the Early Cretaceous and its implications for the earliest avian ecological diversification. …

… the Early Cretaceous of China, have changed traditional conceptions about the diversity and
evolution of the most ancient Aves. … from China and tooth reduction in early avian evolution . …

… representing the first major radiation in avian evolutionary history. … birds in the Early Cretaceous
and the earliest known birds from … diversity of the Jehol Biota in the Early Cretaceous of …

… In particular, avian diversity—in terms of both species … in the Late Cretaceous (41). Here, we
integrate both past and present … Our results have important implications for the study of avian …

… changes during a Cretaceous diversification of birds and mammals … modern avian and
mammalian orders in the Cretaceous fossil … of Early Cretaceous ornithurine (modern) birds and …

… the ecological radiation of birds in the Early Cretaceous and … 6): both curves show low
diversity in the earliest Cretaceous … / avian decline, particularly during the Early Cretaceous. As …

… their small body size suggests Early Cretaceous species would have fed on invertebrates.
The diversity of … trophic differences existed between avian clades during the Early Cretaceous. …

… We describe an enormous Late Cretaceous fossil bird from … of Mesozoic avian morphological
and ecological diversity. A … Small size predominated during the first 70 Ma or so of avian …

… here is whether the diversifying lineages of modern birds were … For the first, we do not
require a complete phylogeny of all … The models differ in their implications about mechanisms of …

… (primarily non-avian di- … of large landmasses in the middle and Late Cretaceous that it has
been associated with the isolation and diversification of modern and extant lineages of birds …