The origins of tanagers, warblers, and sparrows are coming into focus
10,000 Birds
JANUARY 25, 2015
Photo: Golden-crowned Tanager , Iridosornis rufivertex , in Andean Ecuador © David J. It also appears that at least one early radiation from North America into the Caribbean resulted in several relatively old island lineages, which the authors treat as four families, Nesospingidae, Spindalidae, Calyptophilidae, and Phaenicophilidae.
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