Original: The Javan Hawk-eagle, Nisaetus bartelsi (earlier under Spizaetus) is a medium-sized, approximately 61 cm long, dark brown raptor in the family Accipitridae.
Simplified: The Javan Hawk-eagle, Spizaetus bartelsi is a medium-sized, approximately 61 cm long, dark brown raptor in the family Accipitridae.