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Alternative names: Greater Sicklebill; Black Sickle-billed Bird-of-paradise
Male 63cm (110cm including tail), female 55cm. A large Bird-of-paradise with a long, sickle-shaped bill and greatly elongated central tail feathers.
Juveniles and immatures are similar to females.
Endemic to the mountains of New Guinea.
There are 3 subspecies:,
The proposed subspecies stresemanni is usually synonymized with atratus. The scientific name is also spelled fastosus.
Mid mountain forests, mostly in primary forest. Occurs at 1280 - 2550m, mainly at 1800 - 2150m. Usually at lower elevation than Brown Sicklebill.
Feeds on fruits and animals (insects and small vertebrates).
Breeding at least from November to February. A polygynous species. The male advertises from a traditional high perch (usually a broken-off vertical tree trunk) and performs its display. The female builds and attends the nest alone.
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