In Chinese legend, some of the dragons will have wings when their are one thousand years old. We ususlly called them ying lung.
Some ancient books like (Shan Hai Classic [book on ancient Chinese geography] ) record the story of this kind of dragon.
They may live in the ancient China, however, as the time past, we very few to find them in the annals.
May be some of Chinese also don't know ying lung, because we nearly can't see Chinese dragons which have wings in China nowadays.
But if somebody love history or love dragons, ying lung is famous for help ancient people to against The great flood.(Maybe the legends of the great flood can be se