Meet the 5 Largest Flying Birds in the World ... making it a vital part of Africa’s ecosystem. The Kori Bustard, with a wingspan of up to 9 feet, is the heaviest flying bird in the world ...

Scientists have identified bones of the largest flying bird ever found -- an ancient soaring seabird with a wing span of at least 21 feet. Daniel Ksepka, curator of science at the Bruce Museum ...