In the yalu river wetlands of wintering birds are mainly concentrated in the wet, tropical regions such as Australia, New Zealand, and breeding in cool area near the North Pole, it is also the main reason why perennial migratory birds. In Asia, there are two bird migration route, respectively is in east Asia, west Asia, east Asia migratory routes leading to fly via Hong Kong, China, Taiwan, Yangtze river estuary, double table estuaries, the yalu river mouth, the ocean, in the greater hinggan mountains finally arrived in China, Russia, eastern Siberia, Alaska in the United States.

In the process of migration, these birds are one-time non-stop flying here from wintering grounds, linear distance is about 6500 kilometers, and factors such as weather, actually birds flying distance of 10000 km, non-stop flights a week, don't eat not to drink everytime, so consumes a lot of physical fitness. A off in the winter when the weight is 500 grams of bird arrived here will consume half the weight, with only 250 grams. So, they must take the time foraging for food, to return to their left off the winter weight, time in about a month or so.

Scientists followed by satellite spot of one of the main water birds tail Cheng snipe from New Zealand endlessly sleepless not eat after about 8 days of continuous flight arrived in the yalu river wetlands, 10000 kilometers from the yalu river in May after adequate add energy to eat non-stop flights to 7000 kilometres to breeding grounds in Alaska, in late August, after eight days again more than 11000 kilometers of non-stop flight, to return to New Zealand, to complete the flight around the world.

 

 

 

Before and after the May Day, one of the three bird observatory to the yalu river mouth of national nature reserve will reproduce the spectacle of thousands of birds fly together. Is located in liaoning donggang mouth of the yalu river national nature reserve, is the most concentrated areas, bird populations in the world is the world's three big one of the most ideal bird land. Birding locations are mainly concentrated in along the coastal highway, the east road, west China road, the ancient treasure treasure ditch, bird garden is the best birdwatching around. Also will have the yalu river mouth wetland birds popular science exhibition, the yalu river mouth wetland birds exhibition provides a more comprehensive travel experience for everyone.