were not enough to ensure the future of the birds. 并不足以确保鸟类有一个光明的未来
and were self-sufficient from their first breath... 一出生就能自给自足
These survivors were kept warm by feathers... 这些幸存者靠羽毛保暖
others were also shielded from the mayhem. 还有一些动物幸存下来
Survivors were protected by burrows... 保护幸存者的有洞穴
The insects were some of the first to emerge... 最早出现的有昆虫
The oceans were just as devastated as the land. 海洋与陆地一样惨遭蹂躏
these small creatures were limited to a life in the margins. 这些小生物局限在边缘生活
But they, too, were becoming increasingly sophisticated, social, 但它们也变得越来越复杂 有社会性