Birds have long been nature’s masters of flight. Their ability to glide, dive, and twist through the air with ease has fascinated both scientists and engineers. But there's more to bird flight than ...

Their feathers, roosting behaviors and adaptability help birds survive the cold, “nature’s proving ground.” By Margaret Roach Winter mornings begin at David Sibley’s Deerfield, Mass ...

One secret lies in their covert feathers—layers of small feathers that cover the wing’s base and shift during tricky maneuvers like landing or flying through gusty air.