鳥蛋離開鳥媽的體溫一定時間之後蛋就無法孵化了的。或者鳥媽自己會挑選，看不中的丟掉。

來源: 脂肪豆於 2012-05-06 15:30:13 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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