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Red-crowned crane

Red-crowned crane (Picture 1)

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Red-crowned crane is a kind of crane, large waders, body length 120 ~ 160 cm. Neck, feet long, whole body mostly white, head bright red, throat and neck black, ear to headrest white, feet black; flying only secondary and three feathers and neck, feet black, the rest are all white, Very obvious, easy to identify. They are often in pairs or small groups. Migration season and winter, often by a few or dozens of ethnic groups formed a larger group. Sometimes up to 40 to 50 clusters, or even more than 100 only. But the activities are still scattered in a certain area into small groups or family activities. Red-crowned cranes live in open plains, swamps, lakes, meadows, seaside beaches, reeds, swamps and riparian swamps, sometimes in farmland and cultivated land, especially during the migration season and winter. Mainly fish, shrimp, aquatic insects, mollusks, tadpoles, nymphs, clams, snails and aquatic plants of stems, leaves, roots, bulbs and fruit for food. Life of up to 50 to 60 years. Distributed in northeastern China, eastern Mongolia, Russia Wusuli River east coast, North Korea, South Korea and Japan Hokkaido.

Red-crowned cranes are often in pairs or small groups. Migration season and winter, often by a few or dozens of ethnic groups formed a larger group. Sometimes up to 40 to 50 clusters, or even more than 100 only. But the activities are still scattered in a certain area into small groups or family activities. Night habitat in the surrounding water around the shoal or reed pond, each other still according to the family scattered habitat, especially when the cold is very close. Foraging and nightlife are generally more fixed, usually bright days, the various groups have to fly to foraging, each other still maintain a certain distance. At noon, more concentrated in the beach to rest, and continue to tweet. Night and then fly back to the night habitat or stay in the foraging overnight. Rest often standing on one leg, head turned into the back of the feathers. Whether foraging or rest, often a bird is particularly alert, constantly looked up and looked around, found the danger is issued when the call, when the head and neck straight up, toward the sky. When the danger is approaching, then fly away. Flying into a'one'or'V'shape.

At the end of March and early April, shortly after the red-crowned crane arrives at the breeding ground, it begins to match and occupy the nest, and the male and female announce each other's possession through the constant tweets in the nest. When the courtship is also accompanied by tweets, and often the male lips tip up, raised his head and neck, facing the sky, wings stand, singing, issued "Oh, Oh, Oh" loud and clear voice, the sound can be spread to 3 to 5 km outside. The female is loud and should, and then jump and dance with each other. Dancing is also very beautiful, or stretch neck head, or knees bent over, or marking time, or jumping in the air, sometimes also picked up small stones or small branches thrown into the air. Most of the dance of the Red-crowned Crane is made up of dozens of hundreds of movements, and the main movements of the dance are stretching, bending, jumping, jumping, wings, bowing, bowing, etc., but posture Different. Most of these actions have a clearer purpose, such as bowing generally expressed friendship and love; body taut bow salute, there is the expression of their own, show off, intimidation of the meaning; bending and wings are happy, leisurely leisure; Wings sometimes express cheerful moods and so on.

Red-crowned cranes are recognized as first-class birds in Chinese history. Ming Dynasty and the Qing Dynasty to the red-crowned crane to give loyalty and clear, high moral cultural connotations. Civil servants of the service, a product of official embroidered red-crowned crane, it is second only to the royal special dragon and phoenix important logo. People also regard the crane as a symbol of high officials. In fact, the legendary crane, is the red-crowned crane, it is living in the swamp or shallow water area of a large waders, often known as the "wet god" reputation. It has nothing to do with the pine trees that grow in the hills and mountains. But because the red-crowned crane life of up to 50 to 60 years, it is often painted with pine trees, as a symbol of longevity.

Red-crowned cranes require a clean and open wetland environment as a habitat and is the most sensitive indicator of wetland environmental changes. As the population continues to grow, the habitat of red-crowned cranes becomes farmland or city. The total number of red-crowned cranes in the world is estimated to be only about 1500 in 2010, of which about 1,000 in winter in China, to protect the red-crowned cranes and their living environment for more and more people are concerned. China has been established to protect the red-crowned crane-based nature reserves have more than 18, of which Jilin to the sea, Hunan Dongting Lake, Qinghai Bird Island and Jiangxi Poyang Lake, also included in the international protection of the pullshell treaty Wetlands directory, so that the protection work has made great progress.

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