of a 5,000 mile journey across open ocean. 已经接近尾声
Powerful ocean currents attract huge shoals of fish. 大规模的洋流吸引着大量鱼群
These waves have crossed more than 1,000 miles of open ocean... 这些海浪已经越过了1600多公里的大海
It lies in the great Southern Ocean. 它地处南太平洋
Christmas Island in the Indian Ocean. 这是印度洋上的圣诞岛
Each year they spend six months apart, travelling the ocean. 每年他们都将分开六个月 各自在海上飞行
Out here, in the open ocean, there is nowhere for the baitfish to hide. 在这片空旷的海域中 这些小鱼无处可藏
Those that fly above the ocean must be able to read the signs of fresh supplies, or perish. 飞越海洋的鸟类必须懂得寻找食物的踪迹, 不然就意味着死亡
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 at nesting time, they come to Ascension from all over the ocean. 不过到了筑巢的时候 它就从海洋各处飞回到阿森松岛