This rich pasture once supported the greatest herds ever seen on our planet. 这里的大草原肥沃甘美 曾经养育着地球上最大的动物群落
and continue to sustain the biggest herds on Earth. 草便又继续维系着地球上 最大的动物群落的食物需要
And the leaves and stems are cropped by great herds of antelope. 而叶子和茎则被巨大的羚羊群所享受
In savanah country huge herds of games support prides containing 20 lions or more. 热带大草原的竞争促使鼎盛的 狮群数量达到20只 甚至更多
and they crop the high meadows like herds of wildebeest. 如同散布在高山草场上的角马群
But the vast herds do not travel alone. 但是庞大的鹿群并非独自旅行
Some herds travel over 2,000 miles a year in search of fresh pastures. 有的鹿群一年得走上2000多英里 才能到达新鲜草场