However, there's a lot that scientists don't know about how the wings and feathers of flightless birds differ from their ...

A wildlife rehabilitator caring for the injured raptor said it could take two or more years for the feathers to return and give flight. The post Hawk rescued after being found with wing feathers and ...

But a bird wing is vastly more sophisticated than anything composed of sheet metal and rivets. From a central feather shaft extends a series of slender barbs, each sprouting smaller barbules ...

Researchers attached covert feather-inspired flaps to a 3D-printed model airplane wing and mounted it in a wind tunnel to explore the role of covert feathers in bird flight. By precisely measuring ...

These small feathers on top of birds’ wings lay flat during normal flight but flare up in turbulence during landing. By attaching flexible plastic strips – “covert flaps” – to the top of ...