After ruling out ... feathers lies inside how the feathers are made. Gavriel Jecan / Corbis For decades, scientists have known how birds with yellow or red feathers usually get their color ...

The western tragopan is a scarce, shy, and elusive bird. Males are ... his tail feathers fan, his rainbow wattle unfurls. At passion’s peak, he ducks out of view, bursts forth again, rushes ...

A flamingo looks like a bird cooked up by an exuberant ... Chicks hatch with white feathers that turn gray—and later take their pink color from aqueous bacteria and beta-carotene obtained ...

The Wright Brothers studied bird flight before they designed the first airplane. Now modern aircraft fly higher and faster than any bird, yet no manufactured device matches the graceful movements and ...