Chinese name: Drosophila sand grouse Latin name: pterocles orientalis English name: black-bellied sand grouse, black-bellied sandgrouse Species name and age of people: linnaeus, 1758
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Species classification
Chordates door -> vertebrate subphylum -> -> Aves -> this subclass Bird -> -> this jaw Head -> Sha Sha Chicken Chicken Head ->->-> Section -> -> sand grouse are
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Distribution
Breeding in northern Xinjiang, China and the Altay, Habahe, abundance, Bole, Fuhai, Torrey and other places, when found in western Xinjiang Kashgar migration. Drosophila chicken in foreign distribution of dry sand of the Iberian Peninsula of Europe, northwest Africa, Jia Lali Islands, Central Asia, Afghanistan and northwest India, the winter also wandering into Iran, Iraq, India, southern Russia, and Italy and Germany and so on, in our country is only distributed in the northern part of Xinjiang, Altay, Habahe, abundance, Bole, Fuhai, Torrey and west of Kashgar, Tianshan Mountains and other places.
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Level of protection
"China Red Data Book of Endangered Animals, Birds" is listed as undetermined species. The birds from 1930 to 1935, there have been collecting records, over 1960 samples have been taken to. Number of very scarce.
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Exterior features
Drosophila medium sand chicken birds, 29 of a 34 cm length and weighing 370-470 grams. The shape of the mouth of chicken are similar, but small and weak. After the toe there, but very short. Tail short and pointed, not longer. Although its name is also called "chicken", but distantly related chicken class, the class with the dove is close genetic relationship. Male head, neck and upper back is gray, yellow, grass stained, lower back, waist and tail coverts are dark gray, the central tail feathers as the khaki-colored, with gray horizontal stripes, tip for the gray-green, and a narrow The khaki-colored edges, and the remaining tail end of a broad white spots, while darker colors turn to the outside into a pair of tail feathers are dark gray, only the base of James Brown. Chin, throat is chestnut, extending to the sides of neck to form a neck ring. The lower throat a triangular black spot, and extending to the neck. Chest is gray, followed by a black horizontal band immediately to the sides of the sides extending to the shoulders, black bars and a wide yellow after the gray zone. Chest, flanks, legs and upper coverts are dark brown anal zones. Female whole body is light yellow sand, a fine head of dark brown vertical stripes, back, waist and tail coverts brown with black stripes or horizontal bands. Central tail feathers of the same color and the back, lateral tail dark, all with white side spots. Forehead, throat and nearly white to pale yellow, with dark brown feathers fine dry lines. Cephalic and the first eye also has dark brown feathers fine dry lines. The chest is light ocher, pearl gray or dirty white belly, flanks dark brown, the formation of large ventral spots, undertail coverts, feathers and overlying leg feathers on the tarsus are white. Iris brown, beige mouth, tip darker, grayish brown toes, claws black. Tail short and pointed, not longer.
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Living habits
Drosophila sand grouse habitat in the foothills plains, grasslands, deserts and rocky plains. Often has small group activities, integration of large and sometimes in winter. Good run, but also good flight. Liang Chi incite flight very quickly, often makes the "whirring" sound, faster flying speed. Tens of kilometers during the day and often flew to the water at the water, drinking water is very similar to class action and pigeons, the mouth into the water, swallowing and not a continuous rise. Feeding mainly on the ground on the plains and desert plant seeds, but also eat plants, leaves, buds and insects.
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Reproductive characteristics
Breeding season is a June 5. March began in mid-match. Usually in pairs nest in the sparse plains or hilly desert plants. Nest on the ground mostly by pits, or by the birds picking Serve a shallow pit, which without any bedding, or only a few small round stones. A 3 eggs 2 per litter. Egg color is light gray, yellowish brown, slightly decorated with green to olive spots, hatched by the male and female take turns.