An Amazonian bird turned out to be five distinct species; two of them were previously unknown to the scientific community.

Imagine zooming out on a giant family tree that includes every bird you have ever seen. Ostriches sprint across open plains, hummingbirds hover at flowers, penguins slice through cold seas, and eagles ...

For decades, birdwatchers in Japan thought they were looking at the same little green songbird flitting through mountain forests on two far‑flung island chains. It took high‑tech DNA tests and careful ...

Add Yahoo as a preferred source to see more of our stories on Google. Most phylogenies exist in academic papers and remain difficult to interpret. Cornell’s Birds of the World Phylogeny Explorer puts ...