Thursday, January 23, 2014

Golden eagle



Golden eagle
Golden eagle is a raptor . It has strong vision .He can see a object from 3 km. He eat mice, rabbit and even deer.

Description

Adults are primarily dark brown in color, with a paler, typically golden color (the source of the species’ common name) on the back of the crown and nape, and some grey on the inner-wing and tail.

Taxonomy and systematics

Genetic research has recently indicated the Golden Eagle is included in a clade with Verreaux's Eagle in Africa as well as the Gurney's Eagle (A. gurneyi) and the Wedge-tailed Eagle (clearly part of an Australasian radiation of the lineage). This identification of this particular clade has long been suspected based on similar morphological characteristics amongst these large-bodied species.

Subspecies and distribution

Aquila chrysaetos chrysaetos (Linnaeus, 1758) – sometimes referred to as the European Golden Eagle. This is the nominate subspecies. This subspecies is found almost throughout Europe including the British Isles (mainly in Scotland), a lion’s share ofScandinavia, southern and northernmost FranceItaly and Austria. In Eastern Europe, the race is found from Estonia to Romania,GreeceSerbia and Bulgaria in southeastern Europe. It is also distributed through European Russia, reportedly reaching itself eastern limit around the Yenisei River in Russia, also ranging south at a similar longitude into western Kazakhstan and northernIran. Male wing length is from 56.5 to 67 cm (22.2 to 26 in), averaging 62 cm (24 in), and female wing length is from 61.5 to 71.2 cm (24.2 to 28.0 in), averaging 67 cm (26 in). Males weigh from 2.8 to 4.6 kg (6.2 to 10 lb), averaging 3.69 kg (8.1 lb), and females weigh from 3.8 to 6.7 kg (8.4 to 15 lb), averaging 5.17 kg (11.4 lb). The male of this race has a wingspan of 1.89 to 2.15 m (6 ft 2 in to 7 ft 1 in), with an average of 2.02 m (6 ft 8 in), with the female’s typical wingspan range is 2.12 to 2.2 m (6 ft 11 in to 7 ft 3 in), with an average of 2.16 m (7 ft 1 in). This is a medium-sized subspecies and is the palest race. As opposed to Golden Eagles found further east in Eurasia, the adults of this race are a tawny golden-brown on the upper-side. The nape patch is often gleaming golden in color and the feathers here are exceptionally long.

Habitat

 Golden Eagle habitat is temperate desert-like mountain ranges surrounded by steppe landscapes interspersed with forest. Here the climate is colder and more continental than around the Mediterranean. Golden Eagles occupy the alpine ranges from the Altai Mountains and the Pamir Mountains to Tibet, in the great Himalayan massif, and northwestern China, where they occupy the Tien Shan range. In these mountain ragnes, the species often lives at very high elevations, living above tree line at more than 2,500 m (8,200 ft), often nesting in rocky scree and hunting in adjacent meadows. In Tibet, Golden Eagles inhabit high ridges and passes in the Lhasa River watershed, where it regularly joins groups of soaring Himalayan Vultures (Gyps himalayensis). One Golden Eagle was recorded circling at 6,190 m (20,310 ft) above sea-level in Khumbu in May 1975. In the mountains of Japan and Korea, the Golden Eagle occupies deciduous scrub woodland and carpet-like stands of Siberian Dwarf Pine (Pinus pumila) that merge into grasslands and alpine heathland. 
prey & enemies
prey

enemies

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