The tail feathers are used for steering. Birds have a unique digestive system that allows them to eat when they can—usually on the fly—and digest later. They use their beaks to grab and ...

“There’s just so many weird things about the physiology of birds, and it’s probably these features that allow them to survive this environmental crisis,” O’Connor says. “They have incredibly efficient ...

Like other owls, these birds have an incredible digestive system. They sometimes swallow their prey whole and later regurgitate pellets composed of bone, fur, and the other unwanted parts of their ...