The origins of tanagers, warblers, and sparrows are coming into focus
10,000 Birds
JANUARY 25, 2015
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. The wood-warblers are coming into focus , and the sparrows are getting their own family.
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