Airplane-Size Seabird Flew Above Antarctica 50 Million Years Ago

A prehistoric seabird that was the size of a small airplane and had a mouthful of sharp teeth once soared over ancient Antarctica, occasionally stopping to snag fish and squid, a new study finds. Researchers found a broken 3.3-inch-long (8.5 centimeters) piece of the bird's humerus (upper arm bone) on Seymour Island in West Antarctica. They dated the bird's humerus to the Lower Eocene, between 53 million and 49 million years ago, said study lead author Marcos Cenizo, the director of the Provinci