Article
Patchy distributions belie morphological and genetic homogeneity in rosy-finches.
Molecular phylogenetics and evolution - 1 Mar 2009
Drovetski Sergei V, Zink Robert M, Mode Nicolle A
Abstract excerpt
DNA sequence data often appear to contradict low-level avian taxonomy, which is usually based on patterns of external phenotypic similarity. We examined such an apparent contradiction in the Nearctic rosy-finches. On the basis of several phenotypic characters the finches were divided into three species congeneric with three Asian species. When Nearctic taxa were analyzed in a principal components analysis, 66.9%...
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