And each of them has to find its own way of getting around. 每一种动物都有自己的生存之道
only about four of them in 40 square miles. 百平方公里内只有四只
we are getting closer to them than ever before. 我们终于能够近距离观察他们
and will travel long distances to visit them. 他们会长途跋涉 去找喜欢的树
And it certainly can't follow them up here. 显然它也无法追上峭壁