A slumbering Arctic fox in winter will wrap its long, bushy tail around its body for added warmth. Its feet are covered in dense fur to insulate against the cold and provide traction on the ice.

A slumbering Arctic fox in winter will wrap its long, bushy tail around its body for added warmth. Its feet are covered in dense fur to insulate against the cold and provide traction on the ice.

But a wily fox will tilt its head side to side, listen for its prey’s skittering feet—and launch a daring airborne attack to retrieve the tasty morsel. For the stunt, arctic foxes and red ...