The reason it persists is that hawk-raising is governed by extremely strict legal codes. "It is the only law ever promoted and set by those who capture and use wild animals," points out the British book Birds of Prey.
答案在養鷹有一套極嚴格的法律規範，「它也是唯一由捕捉、利用野生動物者去推動、訂定出來的法令」，英國出版的「猛禽」一書指出。