Lesson and Garnot, 1828,
Part of monophyletic clade with Hamirostra and Lophoictinia#R. Closely related to H. infuscatus, and has been considered conspecific, but separated by plumage. Proposed race fraterculus (from Yapen I) barely distinct from longicauda; minimus (W Papuan Is and Aru Is) supposedly smaller, but size varies clinally with altitude in mainland New Guinea (birds smaller in coastal lowlands, larger in highlands). Treated as monotypic.
W Papuan Is, New Guinea (including islands in Geelvink Bay) and Aru Is.
Food and feeding
Status and conservation
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