Whether they’re opening for takeoff, spreading wide for a lazy soar or flapping to brake for landing, bird wings make flying ...

Tail feathers grow from the bird’s tail or structures that are part of the tail. So finding birds who actually have long tails required some care. Plus, not only did the feathers have to ...

This feathers-led-to-flight notion began to unravel ... Still, many known theropods had big legs, short arms, and stout, long tails—hardly the anatomy one would expect on a creature leaping ...

Upperparts gray, unstreaked; underparts grayish white, unstreaked; long black tail has white outer tail feathers; conspicuous white wing bars; white patch at the base of primaries contrasts with ...

This striking plume of yellow is the fluorescing tail feathers of a male emperor bird-of-paradise (Paradisaea guilielmi). Birds-of-paradise are known for their bright colours and courtship displays.