- Nisaetus bartelsi
61cm. It has a long black, white tipped crest, rufous head and neck, and heavily barred black below. Both sexes are similar. The young is duller and has unmarked underparts.
Inhabit humid tropical forest, mostly at mountain and highland, prefers dense forest with undulating hills.
The female usually lays one egg in nest high on top of forest trees.
The diet includes birds, lizards, fruit bats and mammals.