Andean condors are massive birds, among the largest in the world that are able to fly. Because they are so heavy (up to 33 pounds), even their enormous 10-foot wingspan needs some help to keep ...

The South Island of New Zealand was once home to the extinct Haast's eagle, also called Hieraaetus moorei. Weighing about ...

The Andean condor is the world's heaviest soaring bird and can weigh up to 15kg The world's heaviest soaring bird flaps its wings just 1% of the time during flight, researchers have found.

The Andean condor (Vultur gryphus) is one of the largest flying birds with a wingspan of up to 3.2m (10.5ft). In December, it had its threat level raised to "vulnerable" from "near threatened".