It's not so risky to put your head down 它们可以毫无顾虑地埋头吃草
but not all the elephants have been so lucky. 但是 并非所有的象都是那么幸运
and these leopards are not above scavenging from a corpse. 这些豹子不会介意吃死鹿的肉充饥
and not enough of their energy reaches the ground to enable trees to grow. 到达地面的能量很少 并不足以支持树木生长
But the vast herds do not travel alone. 但是庞大的鹿群并非独自旅行
Their mother has not eaten for five months 它们的母亲已有5个月没有进食了