They lost the arms and legs of their reptilian ancestors 它们失去了爬行动物祖先的四肢
The discarded skin of their ancient adversary. 它们古老对手的蜕皮
a handful of pups await her return. 许多幼崽在等待它的归来
she, too, survives on a diet of tasty termites. 它也以美味的白蚁为食
Like some of her prehistoric ancestors, 就像它的一些史前祖先一样
of what life may have been like for some of those ancient mammals. 古代哺乳动物可能的生活形态
and able to take care of their young. 并且能够照顾幼崽
Today, in the forests of Southwest Australia, 如今在澳大利亚西南部的森林中