Rongcheng swan lake is located in the eastern shandong peninsula, is located in north latitude 36 ° 43 to 37 ° 27, longitude 122 ° 09 - 122 ° 42, here beautiful scenery, no cold winter, summer without heat, the annual average temperature 12 ℃, an average annual rainfall of about 800 mm, annual average sunshine 2600 hours, belongs to warm temperate monsoon humid climate zone, air quality days 100% (the optimal the number of days over 300 days), offshore water quality meet the national standards for more than 2 class, is one of the best areas in Chinas air quality and water quality. Unique coastal landforms and natural environment, here are the basic conditions of the whooper swans life necessary: suitable climate, plenty of food, clean water and beautiful environment. So is the world famous swans wintering habitat, is Asias largest swan winter habitat [1]. Here is a natural lagoon, average water depth is 2 meters, but most 3 meters, the average temperature is 0. 9 ℃ in January, rarely frozen lake, the lake home to a lot of fish, shrimp and reproduction of plankton, is an ideal living place whooper swans in winter. Since November each year, the north of the swans, geese and ducks flying here after winter, most time is in January next year, as many as tens of thousands, flocking, white across the lake. White swan and spotless, holy, or down or stand, or swim or walk, or flying or running, more good play, play combat, and try to overtake each other in each others beak peck

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