With soft cloven hooves that grip better than any climbing shoe, 四只柔软的分趾蹄胜过最好用的登山鞋
But living in this sanctuary comes with a cost. 在生活在这里也要付出代价
With a head bob of acknowledgement, their mother now leaves. 点头示意之后 他们的母亲出发了
he should be able to do it with his eyes closed. 闭着眼睛都能找到回巢的路
and a stomach loaded with food doesn't help. 肚里塞满食物 路越发难走
Their survival depends on their father returning with their next meal. 生存与否取决于它们的父亲 能否带着食物归来
They escape from visiting ships, and with no predators 它们搭乘来访的船只来到岛上 由于缺乏天敌控制
provide their young with a rather less precarious start in life. 小鸟的幼年过得安全一些