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Animal Detail ViewՄանրամասն` նրանց մասին

27.02.2012

Long-legged buzzard (Buteo rufinus)


Scientific Classification

Kingdom: Animalia
Phylum: Chordata
Class: Aves  
Order: Falconiformes
Family: Accipitridae
Genus: Buteo
Species: Buteo rufinus

 

Description

The Long-legged Buzzard differs from the Common Buzzard in longer wings and color pattern. They can have one of three color types: pale, rufous or dark. It is s typically recognized by dark patches on the bend of each wing, the dark trailing edges of the wings and a rounded, rufous tail. They also have a dark bill, brownish-yellow eyes and long, dingy-yellow legs.

When it is flying the long wings are remarkable. Tail light brown-orange and typically unbarred. From below the bird shows pale head, dark belly, reddish wing coverts, dark carpal patches, and whitish flight feathers with dark tips. Dark phase has basically black plumage with whitish base on tail and flight feathers. It hovers easily and often. Furthermore it soars with wings held forward and slightly raised. Glides are done with relatively long innerwing raised and primaries held flat. It differs from Common Buzzard in longer wings, color pattern of body and tail, and unbarred underparts.

The adult long-legged buzzard has a length between 43 and 58 cm, the male weight up to 1,100 g and the female up to 1,300 g; they can achieve a wingspan between 105 and 155 cm.

Range and Habitat

This bird has a widespread distribution in northern Africa and Asia, from Morocco, crossing south-eastern Europe to western China.

The common habitat of the long-legged buzzard is in open areas, uncultivated areas, with high bushes, trees, cliffs or hillocks.

Distribution range of this species includes Armenia

Behavior

The Long-legged Buzzard from North Africa is sedentary and dispersive, but from Europe it is partially or totally migratory.

The migration habits of the Long-legged Buzzard need further investigation. A recent study of the University Tel Aviv/ Israel revealed that some of the birds – who have been considered to be sedentary – travel huge distances. What was even more surprising was that the Long-legged Buzzards migrated from Israel northwards (to Russia and Turkey) in opposite to all known migratory birds.

Diet

With a wide range of prey, the Long-legged Buzzard catches small mammals (mostly rodents), reptiles, small birds and large insects.

The Long-legged Buzzard uses a number of tactics in the search for prey, including foraging in cultivated areas, hovering over open semi-arid land, and soaring on warm rising air, and scanning from fixed vantage points such as power lines and trees. The bird also follows grass fires to feed on fleeing animals; it also waits at burrows for rodents and stalks insects.

Reproduction

 The long-legged buzzard usually nests on cliff-sides, rocky ledges or in trees bordering open land, and often this species will often reconstruct nests abandoned by other birds. Female long-legged buzzards typically lay three to five eggs once a year between March and May, which are incubated for 33 to 35 days, and the chicks remain in the nest for 43 to 45 days after hatching.

Conservation Status

It is a species considered Least Concern by IUCN. Due to its wide range, large population and the evidence of a population increase, the species is not believed to approach the thresholds for the population decline criterion of the IUCN Red List. Furthermore it is listed on Appendix II of CITES.

Short Facts

  • Only in 2011, the Long-legged Buzzard was assessed to the IUCN Red List.

  • It's resident in Armenia, spending all the year in the country.



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