Within a few days they develop spots of pigment which, when they're adult, they will use to communicate with one another. 几天后它们长出一些色斑 等到成熟后,就可以用这些色斑来互相联系
They can send sound signals to one another, above the roar of the ocean 他们可以通过拍打海面 制造超越海洋轰鸣的的声音
As one group of hunters searches the reef they're joined by the other. 它们也加入进来,开始扫荡珊瑚礁
For that one must travel north to Indonesia. 让我们去印度尼西亚的北部看看
but these coral havens contain one quarter of all the marine life on our planet. 不过珊瑚礁汇聚着地球上四分之一的海洋生物
The competition for resources ensures that no one species dominates the jungle. 雨林中激烈的资源竞争 使得没有哪个物种可以统治这块地方
They're one of the few jungle animals able to do so. 很少有丛林动物有这样的生活方式
This might be the first time that one group will have seen another for a month. 这可能是两个象群 一个月来第一次见面
And clearings like this one, are a magnet for elephants from far and wide. 这块空旷地 把大象从四面八方吸引过来