Archaeopteryx was a flapper, not just a glider. The shape of the ancient bird’s wing bones suggests it was capable of short bursts of active, flapping flight, similar to how modern birds like ...
A bird migrating with others in a V formation turns out to be a master of the well-timed flap, able to match the up-and-down path traced by the wing tip of the bird in front of it. Fighter pilots know ...