How Many Kinds of Birds Are There and Why Does It Matter?

Estimates of global species diversity have varied widely, primarily based on variation in the numbers derived from different inventory methods of arthropods and other small invertebrates. Within vertebrates, current diversity metrics for fishes, amphibians, and reptiles are known to be poor estimato...

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Bibliographic Details
Published in:PLoS ONE
Main Authors: George F Barrowclough, Joel Cracraft, John Klicka, Robert M Zink
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2016-01-01
Online Access:http://europepmc.org/articles/PMC5120813?pdf=render