Meet Pelagornis Sandersi, the Largest Flying Bird Ever Scientists have identified bones of the largest flying bird ever found -- an ancient soaring seabird with a wing span of at least 21 feet.

The new fossil was first unearthed in 1983 near ... Like Argentavis, the previous record holder, Pelagornis sandersi may have gotten off the ground by running downhill into a headwind or taking ...