some of the most powerful of all ocean currents 一些规模最大的洋流
..and this bay now attracts one of the largest gatherings 这片海湾吸引了地球上
..so they won't attract the attention of predators. 因此不会吸引捕食者的注意
but are also concealed by the sound of waves breaking on the shore... 而且会被海浪拍击海岸的声音掩盖
The family keeps in constant contact with whispered calls. 一家人会通过轻声低语保持联系
The calf is totally dependent on its mother. 幼鲸将完全依赖于它的母亲
The strength she loses, the calf gains. 将自身的力量传递给了孩子
..seeking the shelter of this bay at a key time in their lives. 在生命中的关键节点前来寻求这片海湾的庇护
This female southern right whale is nearing the end 这头雌性南露脊鲸在海上长达8000公里的旅程
Catching flying prey in the dark is not easy... 在黑暗中捕捉飞行的猎物并不容易