Chinese Merganser (Mergus squamatus): A species endemic to China, a Class I national key protected wild bird, and a globally Near Threatened species. It is a winter migrant to Sanqingshan UGGp. It has a total length of about 49–63 cm. Its bill is laterally compressed and pointed at the tip, which differs from the flat, broad bills of other species in the Anatidae family. The bill, legs and feet are red. The male has a black head and upper back, with white lower back, rump and upper tail coverts; there is a white speculum on the wing; the long crown feathers extend backward to form a double crest; the flank feathers bear black scale-like markings.