What are the largest flying animals?

Pterodactyloid pterosaur, Quetzalcoatlus from the Late Cretaceous of North America would be the largest flying creature to have ever lived on earth. Recent estimates on azhdarchid proportions place its wingspan between 10-11 meters. Recent weight estimates show that it weighed around 200 - 250 kilograms. read more

Among living animals which fly over land, the Andean condor and the marabou stork have the largest wingspan at 3.2 metres (10 ft). Studies have shown [citation needed] that it is physically possible for flying animals to reach 18-metre (59 ft) wingspans, but there is no firm evidence that any flying animal, not even the azhdarchid pterosaurs, got that large. read more

On land, the condor has the largest wingspan of 3.2 meters. And the Kori Bustard found in southern Africa would be the heaviest living flying creature with an average male weighing between 10.9 to 16 kilograms. read more

Quetzalcoatlus northropi / k ɛ t s əl k oʊ ˈ æ t l ə s / is a pterosaur known from the Late Cretaceous of North America (Maastrichtian stage) and one of the largest-known flying animals of all time. read more