Hanging his prey out of the reach of scavengers on the ground 把猎物挂起来可以防止地面的食腐动物来争抢
Only 2% of the sun's rays reach the ground... 只有百分之二的光线会到达地面
Hanging 100 feet above the ground, a spider monkey. 一只蜘蛛猴悬挂于距离地面三十米高的地方
the young ibex instinctively run back to steeper ground. 羱羊幼仔便本能地奔回陡坡
But once on level ground, they're vulnerable. 但回到平地上 他们就很容易遭到攻击
If a fledgling, testing out its wings, drops to the ground, 如果幼鸟在学习飞翔时跌落地面
On flat ground, a baby iguana can outrun a racer snake. 小鬣蜥在平地上跑得比游蛇快
If they are relaxed, it must be safe to come down to the ground and gather the food that lies there 如果白斑鹿显得无拘无束 那么叶猴可以安心从地面上采集食物
The ground living plants are in a hurry. Before long the trees above will come into leaf and steal their light. 地表植物正在匆忙生长, 不久之后,树木长出的新叶将会重新把阳光夺去