本文作者： 21ST
Parrots have names"Mum, I heard you call me. Is it lunch time?" the little parrot asks mum. 德国科学家最近有一个新发现：Every little parrot has a name! 像人类一样，鹦鹉妈妈也是通过叫“名字”来招呼自己孩子的。