The martial eagle (Polemaetus bellicosus) is a bird of prey, which inhabits the open regions of sub-Saharan Africa. It is a large and heavy eagle, with a wingspan of up to 2.20 m and a weight of 6 kg (12.5 lb). Its head, wings, and back are black and dark grey, but its chest is white with dark spots. Martial eagles feed on reptiles, hares, and other small animals. They build their nests in tall trees.