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.

Butterfly wing patterns may work as a visual illusion against predators. Researchers at the University of Exeter and the ...

By Marta Serafinko Sept 30 (Reuters) - When a bird lunges at a butterfly in mid-flight, it may see something that is not ...

“Awkward” would probably be the most benevolent word I could use to describe the explosive launch into flight of the California quail. Certainly, the words graceful or athletic do not come to mind. A ...