It is a commonly held myth that, among the birds and the beasts, the mother recognizes her young as her own and will refuse a stranger thrust into the den or the nest.

• 在鸟类和兽类当中，母亲总能认出自己的孩子，不让陌生者闯到巢里或窝里来，大家都觉得这挺神奇，但并非一概如此。