J. R. Forster, 1781,
Has been thought to form a species-group with R. subruficollis, and in the past these two frequently considered conspecific. Has also been treated as conspecific with R. narcondami (which see). Several races have been described, from N Moluccas to C New Guinea (ruficollis), E New Guinea (jungei), Bismarck Archipelago (dampieri), W Solomons (harterti) and C & SE Solomons (mendanae), leaving nominate race restricted to populations of S Moluccas; but variation appears to be largely clinal, with overlap in size and colours, and boundaries difficult to define. Monotypic.
N Moluccas (Morotai, Halmahera, Kasiruta, Bacan, Obi), Seram and Ambon through most of New Guinea and adjacent islands (Waigeo, Salawati, Batanta, Gam, Misool, Yapen and D’Entrecasteaux Archipelago) to Bismarck Archipelago (New Britain, New Ireland, New Hanover, and perhaps Mussau#R), and E to Solomon Is (Buka, Bougainville, Fauro, Shortland, Choiseul, New Georgia Is, Santa Isabel, Guadalcanal and Malaita).
Food and feeding
Status and conservation
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