To find out, Elena Tena, a biologist at Doñana Biological Station in Seville, Spain, and her colleagues attached ultra-light ...

After nearly 25 years of investigation, scientists have solved the mystery. Europe’s largest bat not only eats small birds, it hunts and catches them more than a kilometer above the ground—and ...

Biologists discovered that the winged hunters tracked comparatively large prey like birds, frogs, and other small mammals by ...

Bird-watching isn’t usually a dangerous game, even if it’s deep in the jungle of French Guiana. But when one woman strayed a little too far behind a tour group after spotting a large bird of prey, she ...