The Black-mantled Goshawk is a raptor of New Guinea's mountain forests. Adults show a strong contrast between dark upperparts and rufous underparts.
Adults have black to slate-black head and upperparts, a broad rufous collar, and rufous underparts. The iris, cere, and legs are yellow-orange.
It is a diurnal raptor. Birds are its main prey, and it also takes frogs, insects, and small mammals.
An extinction-risk assessment has not been added yet.