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. Importantly, the paper offers support for the hypothesis that the ancestor of the entire clade came to North America by way of Beringia — the land bridge between Siberia and Alaska exposed at various times through Earth’s history.
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