Henicopernis longicauda (Lesson & Garnot, 1828)

Bishop, K. David, 2023, The avifauna of Biak Island, Papua, Indonesia with comments on status, conservation, natural history and taxonomy, Bulletin of the British Ornithologists’ Club 143 (1), pp. 3-62 : 36

LONG-TAILED BUZZARD Henicopernis longicauda #

Local name Man Kènin (Sansundi).

Range Biak, Supiori, Yapen.

Status Resident. Obtained by four collectors and seen by nearly all visitors. A distinctive species that is uncommon and usually seen singly, soaring over tall, selectively logged secondary forest in southern Biak, which may be one of the very few non-land-bridge islands inhabited by this species.

Breeding 25 August 2007: Bengtsson (2007) noted a pair nesting. Two specimens collected by Hoogerheide in November had moulting primaries ( Junge 1956) .