The harpy eagle (Harpia harpyja) of the neotropical forests is often cited as the largest eagle, as well, and captive females have weighed up to 12.3 kg (27 lb).[3] The white-tailed eagle (Haliaeetus albicilla) measures 66–94 cm (26–37 in) in length with a 1.78–2.45 m (5.8–8.0 ft) wingspan.