She knows she needs to herd the prey into a tight group... 雌虎鲸明白它需要将猎物驱赶到一起
but a splinter group has looped back 但有一支小分队折了回来
There are 15 males in this bachelor group. 这个单身猴群里有十五只公猴
To avoid wasting energy the work as a group. 为了避免浪费精力,它们进行团队合作
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
Teamwork has brought this group of chimps great success 团队合作使这群黑猩猩取得巨大成功
The carcass is shared between members of the group, and eaten. 并被这群黑猩猩吃掉
It's an uncertain time. The size of the rival group is as yet unknown. 在这个非常时刻 对手的具体数量还不知道
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
Since parasites like these stop any one group of animal getting the upper hand. 这种寄生虫能阻止某种生物种群的优势