the Americas were still at the mercy of the terror birds. 美洲仍在骇鸟的蹂躏之下

368. they've found a way to thrive in almost every corner of the planet.
     几乎在地球上的每一个角落繁荣发展
369. But they are not the only ones to have conquered the world.
     但征服世界的不只有它们
370. Not so long ago,
     在不久之前
371. the Americas were still at the mercy of the terror birds.
     美洲仍在骇鸟的蹂躏之下
372. But these apex predators would soon become the prey.
     但这些顶级捕食者很快就会成为猎物
373. Other survivors of the asteroid had also been evolving.
     小行星撞击的其它幸存者也在进化
374. No longer in the shadow of the dinosaurs...
     不再生活在恐龙的阴影之下

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 371 行