Receptors in the snake's head pick up the heat given off by the flying bats, 位于头部的“热眼”能觉察到 飞行中的蝙蝠散发出的热量
To the snakes the bats are apparently glowing 每一只蝙蝠在蛇“眼”前都是活灵活现
The bats can detect the snakes using echolocation, 蝙蝠能利用回声定位觉察到蛇
A bottleneck funnels these exiting bats into dense concentrations 当大群蝙蝠密集地通过瓶颈出口时
The bigeyes are the equivalent of bats. 大眼鲷相当于蝙蝠
Like bats they use echolocation to navigate. 和蝙蝠一样 它们也利用回声定位来导航
Bats are not the only commuters in these Bornean caves. 蝙蝠并非婆罗洲洞窟中的唯一常客
The wheeling bats seem to confuse a rufus-bellied eagle, 旋绕的蝙蝠群似乎已将 棕腹隼雕弄得晕头转向
the stream of bats form a doughnut-shaped ring. 即在空中组成一个面包圈一样的队列
three million bats leave the safety of the cave 300万只蝙蝠一起离开安全的洞穴