Javan Hawk-Eagle (Nisaetus bartelsi) is a medium-sized, approximately 60 cm long, dark brown raptor in the family Accipitridae. An Indonesian endemic, the Javan Hawk-Eagle occurs in humid tropical forests of Java.
Blyth's Hawk Eagle (nisaetus alboniger) is a medium-sized bird of prey. Like all eagles, it is in the family Accipitridae. The common name commemorates Edward Blyth English zoologist and Curator of the Museum of the Asiatic Society of Bengal.