几位探险者在一个荒凉的孤岛上发现了一种生存了14年的吸血蝙蝠,它们是一种100%靠其它动物的鲜血维持生命的可怕嗜血动物,已经成为了这个荒岛的霸主。然而令动物学家们不解的是,这个荒岛上鲜血并不容易找到,而且没有吸血的吸血蝙蝠,三天之内就会死去。那么,它们是怎样生存下来,并发展成为这样一个庞大的集团的呢?经过长时间的深入观察,探险者惊奇地发现,面对奄奄一息的同伴,这群面目狰狞的小东西,它们的无私超出了人们的想象,在找不到猎物的情况下,甚至会把自己腹中的血反刍给根本没有进食的同伴,以缓解它的饥饿。吸血蝙蝠的援助对象,首先是小蝙蝠,然后是有血缘关系的成年蝙蝠,之后是无血缘关系的蝙蝠。不 Several explorers discovered on a deserted island a vampire bat that has survived for 14 years. It is a terrible bloodthirsty animal that lives 100% of the blood of other animals and has become the overlord of this desert island. What puzzling zoologists, however, is that the blood on this desert island is not easy to find and there is no blood-sucking bat that will die within three days. How, then, did they survive and develop into such a large group? After a long period of in-depth observation, explorers were surprised to find that in the face of dying companions, these unruly little things, their unselfishness exceeded People’s imagination, even in the absence of prey, may even ruminate their belly blood to companions who have not eaten at all, so as to ease its hunger. Vampire bats to aid the object, first small bats, then the blood of adult bats, followed by blood-free bats. Do not