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Blyth's hawk-eagle : ウィキペディア英語版 | Blyth's hawk-eagle
The Blyth's hawk-eagle (''Nisaetus alboniger'') (earlier treated as ''Spizaetus''〔Helbig AJ, Kocum A, Seibold I & Braun MJ (2005) A multi-gene phylogeny of aquiline eagles (Aves: Accipitriformes) reveals extensive paraphyly at the genus level. Molecular phylogenetics and evolution 35(1):147-164 (PDF )〕) is a medium-sized bird of prey. Like all eagles, it is in the family Accipitridae. It breeds in Peninsular Malaysia, Singapore, Sumatra, Borneo. It is a bird of open woodland, although island forms prefer a higher tree density. It builds a stick nest in a tree and lays a single egg. It is a fairly small eagle at about 51–58 cm in length. Adult has a thick white band on uppertail and undertail, all black above, black spotted breast, barred below. It has a prominent crest like the bazas. Juvenile is dark brown above, and has a light brown head and underparts. The common name commemorates Edward Blyth (1810–1873), English zoologist and Curator of the Museum of the Asiatic Society of Bengal. == References ==
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