To herd their prey, the predators raise their huge dorsal fins. 旗鱼张开大大的背鳍来把猎物赶到一起
They will only use just enough energy to make their kill 它们只用恰到好处的力量来猎杀
How they find their way back across thousands of miles of open ocean, 它们如何从1000英里外再次赶回
but those that survive will, eventually, as their mothers did before them, 活下来的海龟最终还会做它们的母亲做过的事情
but their trials have only just begun. 不过小海龟的试炼才刚刚开始
They come from all over the Atlantic to this, their only colony. 它们从大西洋各处飞来,全部聚居在这个岛上
To raise their young, seabirds worldwide seek such remote islands. 为了生儿育女 全世界的海鸟们才来找这种偏僻的小岛
Frigates are the world's lightest bird, relative to their wingspan 阿森松军舰鸟是世界上最轻的海鸟之一 翼展特别长
synchronizing their attacks to confuse their prey. 协同攻击,来迷惑敌人