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Blyth's Hawk Eagle
Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Accipitriformes
Family: Accipitridae
Genus: Nisaetus
Species: N. alboniger
Binomial name
Nisaetus alboniger
Blyth, 1845

Spizaetus alboniger

The Blyth's Hawk Eagle, Nisaetus alboniger (earlier treated as Spizaetus[2]) is a bird of prey. Like all eagles, it is in the family Accipitridae.

It breeds in Peninsula 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 medium-sized raptor at about 51-58cm 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.


  1. ^ BirdLife International (2004). Spizaetus alboniger. 2006. IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 8 February 2007. Database entry includes justification for why this species is of least concern
  2. ^ 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

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