The dark, smudgy streaks on Xavi Bou's photographs suggest the jerky ink tracks created by a malfunctioning printer, but they actually record the various patterns birds trace while flying in flocks.

Research looks at the evolutionary pathways to differences in bird plumage patterns between males and females -- and concludes that birds are able to adapt their appearance with remarkable ease.

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 ...

The photos and illustrations in this large volume are so beautiful that one is tempted to skim the text, in part because there seems to be so little of it. That, however, would be a mistake: while ...

New research uses artificial intelligence to analyze ancient footprints. This study suggests bird-like relatives may have existed millions of years earlier than previously thought. The AI identified ...

Add Yahoo as a preferred source to see more of our stories on Google. Many beautiful exotic birds on white background, collection© New Africa/Shutterstock.com The post New Interactive Avian Tree of ...