What is the biggest flying bird?

The biggest wingspan of any bird can be found on the Wondering Albatross, its around 12ft on the larger birds. The Andean Condor for comparison has a wingspan of around 10ft. The heaviest bird is of course the Ostrich which can weigh over 300lbs and the heaviest flying bird so the Kori Bustard which weighs up to 45lbs. read more

The largest (heaviest) flying bird today is the Kori Bustard (Ardeotis kori) of Africa, males weigh about 18kg, females about half that. The largest bird ever to fly were the Teratorns (a type of Condor), the largest of which, Argentavis magnificens, had a wingspan of 3 metres, and weighed 120kg. read more

Measuring from 8.3 ft to 11 ft, Wandering albatross has largest wingspan of any bird. This large, beautiful bird is native to Southern and North Pacific ocean. There are 24 different species of albatross in total. Weighing up to 12 kg, wandering albatross is biggest among the family. Wandering albatross mostly feed on small fishes and squids. read more

Many of the largest flying birds in the fossil record may have been members of the Ciconiiformes. The heaviest flying bird ever, Argentavis magnificens, is part of a group, the teratorns, that are considered an ally of the New World vultures. The largest ibis is the giant ibis (Thaumatibis gigantea). read more