or the destruction of its habitat. 野牛的栖息地也惨遭破坏
A calf is separated from its mother. 一头小鹿和母亲失散了
But for a short time each year, the long, dark winter releases its grip. 每年却总有短短的一阵日子 漫长阴暗的冬天也会放松它的钳制
They trim the grass down to its roots, leaving little in their wake, 这些角马拼命地吃草 把草根上面的草茎部分全部吃掉
Because it grows from a protected part at the base of its stems, 草茎的基部有很强的自我保护能力
With nothing to stand in its way, the blaze consumes anything that can't flee. 一路无阻的大火 无情地吞噬了一切无力逃跑的生灵
It will not be long before the storm claims its first victims. 很快暴风雪中就会出现几具尸体
its mother has not returned to claim it. 它的妈妈没有来认养它
Without its solid platform, they can't hunt the seals they need in order to survive. 没有坚实的冰作为平台, 北极熊就不能猎捕它们赖以生存的海豹