they've colonized all the continents of the Southern Hemisphere...
已经在南半球所有的大♥陆♥上建立群落

Question

Underwater flight
水下飞行
allowed the penguins to exploit the seas like never before.
使企鹅能够以前所未有的方法利用海洋
Their strategy has been so successful,
它们的策略非常成功
they've colonized all the continents of the Southern Hemisphere...
已经在南半球所有的大♥陆♥上建立群落
...evolving into the 18 different species we know today.
进化成我们今天所知的18个不同的物种
The final epic chapter for the birds,
对鸟类来说这是最终的史诗篇章
a dynasty that was almost wiped out.
要知道这个王朝曾濒临灭绝

来自《我们星球上的生命第一季第六集 Life on Our Planet S01E06 灰烬中重生》第 359 行