Named after a beast from Greek mythology, the harpy eagle is widely considered to be the most powerful bird of prey due to its strong legs and huge talons. With a crown of feathers atop its head, and known for eating monkeys and sloths, this regal-looking raptor dominates the rainforest canopies across much of South and Central America. Presenter Adam Hart looks into the folklore and cultural importance of these imposing birds, as well as finding out why these apex predators of the treetops are having to increasingly search for ground-dwelling prey such as armadillos. He also hears how harpy eagle researchers were the pioneers for biological applications of GPS in order to study and track these animals in the dense rainforest.Contributors:Dr. Helena Aguiar-Silva, biologist and associate research scientist at the National Institute for Amazonian Research and a member of Projeto Harpia Brasil.Dr. Eduardo Alvarez founder of a non-profit organisation called EarthMatters.org, to concentrate on the study and conservation of harpy eagles and to preserve their rainforest habitat.Presenter: Professor Adam Hart Producer: Jonathan BlackwellImage: Harpy eagle and nest with chick Credit: João Marcos Rosa

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