Martial Eagle - It is a very large eagle, with a length of 76–96 cm , weight of 3.1–6.2 kg and a wingspan of 188–260 cm . The adult's plumage has dark brown upperparts, head and upper chest. The body underparts are white spotted with black. The underwing coverts are brown, with pale flight feathers, also streaked with black. The female is usually larger and more spotted than the male. The immature is paler above and has white underparts. It reaches adult plumage in its seventh year.