Species of Thailand

Blyth's hawk-eagle

Nisaetus alboniger, Edward Blyth, 1845

(In Thai: เหยี่ยวดำท้องขาว)

Blyth's hawk-eagle (Nisaetus alboniger) (earlier treated as Spizaetus) is a medium-sized bird of prey. Like all eagles, it is in the family Accipitridae.

It can be found in the Malay Peninsula, Singapore, Sumatra and 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 50–60 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.

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Category / Seasonal Status

BCST Category: Recorded in an apparently wild state within the last 50 years

BCST Seasonal status: Resident or presumed resident

Scientific classification

Kingdom
Animalia
Phylum
Chordata
Class
Aves
Order
Accipitriformes
Family
Accipitridae
Genus
Nisaetus
Species
Nisaetus alboniger

Common names

  • Thai: เหยี่ยวดำท้องขาว

Synonyms

  • Spizaetus alboniger

Conservation status

Least Concern (IUCN3.1)

Least Concern (IUCN3.1)

Vulnerable (IUCN3.1)

Vulnerable (ONEP)

Near Threatened (IUCN3.1)

Near Threatened (BCST)

Range Map

Distribution map of Blyth's hawk-eagle, Nisaetus alboniger in Thailand
Range map of Nisaetus alboniger in Thailand