Papuan Eagle (Harpyopsis novaeguineae) [XC23164]
by Michiel de Boer from Garden House, Arfak Mountains, Papua, Indonesia (call)
Papuan Eagle (Harpyopsis novaeguineae) [XC23918]
by Mike Catsis from Baily bridge, below Tari Gap, Southern Highlands, Papua New Guinea (call, typical call)
Subspecies
Traditionally considered to be related to Harpia and Pithecophaga, but possibly part of an old endemic Australasian clade.
No subspecies.
Similar Species
In size, it is matched only by the short-tailed White-bellied Fish-Eagle (Haliaeetus leucogaster) and the uniformly very dark brown Gurney's Eagle (Aquila gurneyi). In plumage, it is similar to the smaller Long-tailed Honey-buzzard (Henicopernis longicauda) and Doria's Goshawk (Megatriorchis doriae) but has an unstreaked breast.
References
See References.