China Coast Guard ship formation sails through Japan-administered Senkaku Islands Like this:Like Loading... Post navigation TIL the largest flying bird that we know of was the Pelagornis Sandersi, a sea bird from about 25 million years ago with a wingspan estimated at 20 to 24 feet. It belongs to a family known as the pseudotooth birds, named for protrusions on their beaks that acted as teeth.Help regarding pdf creation