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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Research suggests that the dark-eyed junco songbird experienced rapid evolution while college campuses were shuttered during the ...

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 ...

Evolution is the primary hypothesis, but the authors note there are other explanations that need to be ruled out, such as gene flow, when individuals from elsewhere, such as the mountain birds, enter ...