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.

(Phys.org) —Research published today 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 ...

Baby flamingos are fluffy and adorably awkward. But they’re not pink. The fuzzy infants start off as white or gray, only later earning a distinctive rosy hue. That’s because these beautifully dorky ...