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Alauda is a genus of larks with four species found across much of Europe, Asia and in the mountains of north Africa, and one species (the Raso Lark) endemic to the islet of Raso in the Cape Verde Islands.
These birds are 14--18 cm long and live in cultivation, heath, natural steppe and other open habitats. Their characteristic songs are delivered in flight. They are fairly undistinguished: streaked brown above and pale below, with a short, blunt, erectile crest. In flight, they display a short tail and short broad wings. The tail and the rear edge of the wings are edged with white.
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Their diet consists of seeds, supplemented with insects in the breeding season. They nest on the ground in tufts of grass, with 3-6 eggs per clutch. They form flocks when not breeding.
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The Eurasian Skylark is 16 to 18 centimetres long. It is a bird of open farmland and heath, known throughout its range for the song of the male, which is delivered in hovering flight from heights of 50 to 100 m, when the singing bird may appear as just a dot in the sky from the ground. The song generally lasts two to three minutes, but it tends to last longer later in the mating season, when songs can last for 20 minutes or more. The male has broader wings than the female. This adaptation for more efficient hovering flight may have evolved because of female Eurasian Skylarks' preference for males that sing and hover for longer periods and so demonstrate that they are likely to have good overall fitness.
Like most other larks, the Eurasian Skylark is a rather dull-looking species on the ground, being mainly brown above and paler below. It has a short blunt crest on the head, which can be raised and lowered. In flight it shows a short tail and short broad wings. The tail and the rear edge of the wings are edged with white, which are visible when the bird is flying away, but not if it is heading towards the observer. The Eurasian Skylark has sturdy legs and spends much time on the ground foraging for seeds, supplemented with insects in the breeding season.
