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 ...

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 ...

Mapping 11,000 species back through time represents a new milestone in avian evolutionary research. The Interactive Avian Tree presents technical challenges when reconciling 11,000 distinct bird ...