and it's in no hurry to make its move. 而且它并不急于行动
the skies belong to the bats once more. 天空再次归蝙蝠所有
these fruit bats are in a race to return to the roost... 这些果蝠竞相返回巢穴
But bats were not the first animals to take to the skies. 但蝙蝠并不是第一个上天的动物
Flying allows animals to search much further for food... 飞行使动物能够到更远的地方觅食
to survive at the top of the world. 可以在世界之巅生存下去
his cubs will leave their mother and start to hunt alone, 它的幼崽将离开母亲 开始独自捕猎
learning the skills needed to survive on the very edge of life. 学习在生命边缘生存所需的技能
At these altitudes, mammals must feed regularly to keep warm. 海拔如此之高 哺乳动物必须定时进食以保持体温