Rufous-bellied eagle
 or rufous-bellied hawk-eagle 
(Đại bàng bụng hung, Lophotriorchis kienerii)

The rufous-bellied eagle or rufous-bellied hawk-eagle (Lophotriorchis kienerii) is a bird of prey in the family Accipitridae.
The bird is found in forests of tropical Asia: from India and Sri Lanka through Southeast Asia.

Accipitridae from Latin accipiter/accipitri- "hawk".
Lophotriorchis (synonym Hieraaetus) Greek lophos crest; triorkhes: hawk.