“老鹰效应”。众所周知,老鹰是鸟类中最强壮的种族。动物学家研究后认为,老鹰之所以是鸟类中最强壮的种族,可能与它的喂食习惯有关。一般来说,老鹰一次生下四五只小鹰,而老鹰每次所猎捕回来的食物一次只能喂食一只小鹰,老鹰的喂食方法与其它鸟类的喂食方法不同,即不是依据公平的原则,而是哪一只小鹰抢得凶就喂哪一只小鹰。于是,瘦弱的小鹰吃不到食物最终都饿死了,抢得最凶的小鹰存活下来,代代相传,老鹰这个种族就愈来愈强壮。人们将这种“适 ”The eagle effect". As we all know, the eagle is the strongest race among birds. The zoologists later concluded that the reason why the eagle is the strongest race among birds may be related to its feeding habits. In general, the eagle gave birth to four or five small eagles. The eagle could only feed one small hawk at a time. The feeding method of the eagle was different from that of other birds. It was not based on fairness. The principle, but which of the Kitty Hawks grabbed a little Hawk. As a result, the emaciated Kitty did not eat enough food and eventually starved to death, and the most fierce Hawkman survived. From generation to generation, the Hawks’ race became stronger and stronger. People will adapt this