Antarctic fossil could have been the biggest flying bird ever, study finds CNNAntarctica yields oldest fossils of giant birds with 6.4-meter wingspans Phys.orgGiant 'toothed' birds flew over Antarctica 40 million to 50 million years ago Yahoo NewsGiant ‘Toothed’ Birds Flew Over Antarctica 40 Million to 50 Million Years Ago Gizmodo AustraliaView Full Coverage on Google News