Sun Yun-hsun says that the residents of the four townships are mainly Paiwan and Rukai Aborigines. The nobility and chieftains of both these peoples have a tradition of wearing mountain hawk-eagle feathers, and this has given rise to a trade in eagle feathers. Eagle-feather culture
孫元勳表示，這 4 個山地鄉居民以排灣和魯凱族原住民為主，由於這 2 族的貴族和頭目有佩戴熊鷹羽毛的傳統文化，因而衍生出鷹羽買賣市場。