Behold The Largest Bird To Have Ever Flown
usher in Pelagornis sandersi , an out giant bird that lived some 25 to 28 million years ago . With an estimated 24 - foot ( 6.4 meters ) wingspan , the enormous albatross - corresponding creature is now considered the largest bird to have ever taken to the skies . The jumbo seabird , which was doubly the size of the Royal Albatross ( the gravid flying Bronx cheer today ) , and big than the previous disk holder ( the long - out Argentavis magnificens ) , was an extremely efficient glider ....