Rufous-bellied Eagle, (Aquila kienerii), is a bird of prey in the family Accipitridae, which also includes the buzzards, hawks and Old World vultures.This species is associated with woodland. The large stick nest is built in a tree and a single egg is laid. Rufous-bellied Eagle is a smallish eagle, 54-60 cm long. It has broad rounded wings, held flat while soaring, and a short broad tail. It eats mainly birds and small mammals.The adult has blackish upperparts and head. The foreneck and breast are white, and the tail and flight feathers are white barred with dark. The rest of the underparts are chestnut. Sexes are similar Chestnut-bellied Hawk Eagle (Rufous-bellied Hawk Eagle) Hieraaetus kienerii RANGE Southern Asia: occurs in western India and Sri Lanka and from the Himalayas east to Vietnam and Hainan and south to the Malay Peninsula. Also found on the Philippines, Borneo, Sulawesi, Sumatra and Java. Resident.