Another aspect is that ecologists have not yet given up their traditional ecological investigations: "We hope to find clues in what we already know about displays and courtship that will tell us why the display of the White-Headed Weng is more attractive," says Cheng I.
另一方面，生態人員也沒有放棄傳統的生態調查，「我們希望從已知的行為展示、求偶、驅逐狀況中更進一步找出蛛絲馬跡，瞭解為何白頭翁會表現較佳？」鄭儀說。