为了测试他的这感觉，帕克的团队于1997年到2002年再夏威夷海域附近观察了42个竞争性的鲸鱼群，这些一条雌鲸被多条雄鲸所包围。
To test this hunch, Pack's team observed 42 competitive groups--those with one female surrounded by varying numbers of males--in the waters around Hawaii from 1997 to 2002.
但克努特和乔万之间没有发生浪漫的事，雌熊是从慕尼黑动物园借来的。
But there is no romance between Knut and Giovanna who is on loan from a Munich zoo.
这就是布朗克斯动物园中34岁的亚洲雌象“快乐”向研究者们展示厚皮类动物能在镜子中认出自己的方式。这种复杂行为仅在少数几个物种身上能观察到。
That is how a 34-year-old female Asian elephant in the Bronx Zoo showed researchers that pachyderms can recognize themselves in a mirror - complex behaviour observed in only a few other species.
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