Within days they will have to keep up with their parents 几天内他们就将跟随自己的父母
Caribou females have journeyed to the far north 雌性北美驯鹿远赴北方
And where the bison have dug, the fox now spots an opportunity. 在美洲野牛挖过的地方狐狸也见缝插针
but now, with so few rodents around, she will have to go hungry. 但现在啮齿动物数量极少 她只能挨饿了
Soon, the grass will wither, and this opportunity will have gone. 草很快就会枯萎 屯食良机转瞬即逝
They only have a split second to grab the prize. 想取得奖赏 必须在刹那间出手
But they have no way of flushing their prey out of the grass. 但它们无法将猎物赶出草丛
In the right conditions, grasses have the extraordinary ability 只要条件适宜 草本植物可以在短短几天内
The pride do have numbers on their side, 虽然狮群占据了数量优势