The dark, smudgy streaks on Xavi Bou's photographs suggest the jerky ink tracks created by a malfunctioning printer, but they actually record the various patterns birds trace while flying in flocks.
From geese and pelicans to cranes and cormorants, many birds use a V-shaped flock to master the aerodynamics of long-distance ...
John Bird, Ph.D., and Afroza Shirin, Ph.D., stand with a model aircraft used in their research on soaring. With a new grant from DARPA, the two are using insights from bird flight to develop uncrewed ...