Rufous-winged buzzard

The rufous-winged buzzard (Butastur liventer) is an Asian bird of prey. It is a resident breeder of Indochina, Java and Sulawesi. It is a species of deciduous forest and second growth up to 800 m.

Rufous-winged buzzard
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Class: Aves
Order: Accipitriformes
Family: Accipitridae
Genus: Butastur
Species:
B. liventer
Binomial name
Butastur liventer
(Temminck, 1827)

The adult rufous-winged buzzard is 38–43 cm long. It has a grey head and underparts, with some streaking on the crown, neck and breast. The rest of the upperparts are rufous grey, and the uppertail is bright rufous. In flight, from above it shows rufous-chestnut flight feathers and the rufous uppertail, and from below it has a grey body, white underwing coverts, and greyish flight feathers and undertail. It is monomorphic. The juvenile is duller and browner, with a brown-grey head and white supercilium.

This species is similar in size and shape to the migratory grey-faced buzzard, but that species has browner upperparts and tail, a white throat, and brown-barred white belly.

The rufous-winged buzzard eats lizards, small mammals and large insects. Its call is a shrill pit-piu.

References
  1. BirdLife International (2017). "Butastur liventer". IUCN Red List of Threatened Species. 2017: e.T22695721A118854457. doi:10.2305/IUCN.UK.2017-3.RLTS.T22695721A118854457.en. Retrieved 12 November 2021.
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