The Philippine Eagle (Pithecophaga jefferyi), also known as the Monkey-eating Eagle, is an eagle of the family Accipitridae that is endemic to forests in the Philippines. It has brown and white-coloured plumage, and a shaggy crest, and generally measures 86 to 102 cm (2 ft 10 in to 3 ft 4 in) in length and weighs 4.7 to 8 kilograms (10 to 18 lb)