NDLI: Phylogeny and diversification of the largest avian radiation

Content Provider	PubMed Central
Author	Barker, F. Keith Alice, Cibois Peter, Schikler Feinstein, Julie Cracraft, Joel
Copyright Year	2004
Abstract	The order Passeriformes (“perching birds”) comprises extant species diversity comparable to that of living mammals. For over a decade, a single phylogenetic hypothesis based on DNA–DNA hybridization has provided the primary framework for numerous comparative analyses of passerine ecological and behavioral evolution and for tests of the causal factors accounting for rapid radiations within the group. We report here a strongly supported phylogenetic tree based on two single-copy nuclear gene sequences for the most complete sampling of passerine families to date. This tree is incongruent with that derived from DNA–DNA hybridization, with half of the nodes from the latter in conflict and over a third of the conflicts significant as assessed under maximum likelihood. Our historical framework suggests multiple waves of passerine dispersal from Australasia into Eurasia, Africa, and the New World, commencing as early as the Eocene, essentially reversing the classical scenario of oscine biogeography. The revised history implied by these data will require reassessment of comparative analyses of passerine diversification and adaptation.
Related Links	http://dx.doi.org/10.1073/pnas.0401892101
Starting Page	11040
File Format	PDF
ISSN	10916490
e-ISSN	10916490
Journal	Proceedings of the National Academy of Sciences of the United States of America
Issue Number	30
Volume Number	101
Language	English
Publisher	National Academy of Sciences
Publisher Date	2004-07-27
Access Restriction	Open
Rights Holder	National Academy of Sciences
Subject Keyword	Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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