Returning from hunting in the sunlight 完成白天的狩猎工作后
these commuters rely on their loud clicks to find their way through the cave passages in total darkness. 这些住客利用它们响亮的叫声 在漆黑一片的洞穴通道内辨别方向
Yet the nightly onslaught has little impact on bat numbers - 然而 每天傍晚的攻击只会 对蝙蝠数量产生很小的影响
by the morning the vast majority will be back in the safety of the cave. 到了早上 大多数蝙蝠 仍会安然无恙地回到洞中
Good hunting will end as the light fades 天黑后 再高超的捕猎本领 也将无用武之地
so the bat hawks bolt their catches on the wing 于是蝠鹞一边飞一边吞下猎物
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
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
but they must still survive the attacks of other, more specialised, birds of prey. 但它们仍须躲过 其它更专业的猛禽的攻击