The Standard-Winged Nightjar is one of the coolest and strangest looking birds I've seen. When I first watched this video, I ...

These small feathers on top of birds’ wings lay flat during normal flight but flare up in turbulence during ... the turbulent shear layer, keeping it close to the wing surface, while the rear ...

Possessing bird feathers could get a person cooped up in prison. The possession of feathers and other parts of native North American birds without a permit is banned by the Migratory Bird Treaty ...

Feathers are among the most complex cutaneous ... complete and permanent transformation of scales into feathers on the bird's feet. "Since the Shh pathway plays a crucial role in feather ...

Possessing bird feathers could get a person cooped up in prison. The possession of feathers and other parts of native North American birds without a permit is banned by the Migratory Bird Treaty ...