To prevent hawk-raising from reducing the number of wild birds of prey, the West has set out the types of birds which can be raised, with each qualified individual having a quota of one that they can capture from the wild.
為了防範鷹獵造成野生猛禽數量減少，歐、美訂出了可以豢養的種類，有資格養鷹的人，只能由野外取得一隻的配額。