So how on earth does a plant-eater this size survive in a place apparently totally devoid of vegetation? 那么在地球上 如此巨大的植食动物是如何 在这个寸草不生的地方生存的呢 Elephants in Namibia are the toughest in Africa. 纳米比亚的大象是非洲最能吃苦的动物 And they need to be. 它们必须如此 What ...
Elephants in Namibia are the toughest in Africa. 纳米比亚的大象是非洲最能吃苦的动物 And they need to be. 它们必须如此 What little food exists is so dispersed 仅有的少量食物也非常分散 that these elephants walk up to 50 miles a day 所以这些大象每天得走上50英里 as they travel up the dry riv...
And they need to be. 它们必须如此 What little food exists is so dispersed 仅有的少量食物也非常分散 that these elephants walk up to 50 miles a day 所以这些大象每天得走上50英里 as they travel up the dry river channels searching for something to eat. 沿着干涸的河床搜寻一些可以吃的东西 At ti...
But here one unusual abundance has produced another. 但在这里 一种特别的资源 带动了另一物种的兴起 Deserts are created by the lack of water, 沙漠的形成是因为缺少水 but what actually kills animals here is not heat or thirst, 可是这里杀死动物的 真正原因并非炎热和缺水 but lack of food. 而是缺少食物 So...
Deserts are created by the lack of water, 沙漠的形成是因为缺少水 but what actually kills animals here is not heat or thirst, 可是这里杀死动物的 真正原因并非炎热和缺水 but lack of food. 而是缺少食物 So how on earth does a plant-eater this size survive in a place apparently tota...
but what actually kills animals here is not heat or thirst, 可是这里杀死动物的 真正原因并非炎热和缺水 but lack of food. 而是缺少食物 So how on earth does a plant-eater this size survive in a place apparently totally devoid of vegetation? 那么在地球上 如此巨大的植食动物是如何 在这个寸草不生的...
so the lizards have to leap for their food. 所以蜥蜴必须跳起来捕食 In one day each of these acrobatic little lizards may catch 50 flies. 每只身怀绝技的小蜥蜴 一天能吃掉50多只小虫 There are plenty of flies to go round, even with hundreds of lizards competing for them. 尽管...
In one day each of these acrobatic little lizards may catch 50 flies. 每只身怀绝技的小蜥蜴 一天能吃掉50多只小虫 There are plenty of flies to go round, even with hundreds of lizards competing for them. 尽管已有几百只蜥蜴在此捕猎 这里仍聚集着无数飞虫 Away from these rapids flat lizar...
There are plenty of flies to go round, even with hundreds of lizards competing for them. 尽管已有几百只蜥蜴在此捕猎 这里仍聚集着无数飞虫 Away from these rapids flat lizard populations are found much smaller numbers. 在远离这些急流的地方 扁石蜥的数量则要少得多 But here one unusual abu...
Away from these rapids flat lizard populations are found much smaller numbers. 在远离这些急流的地方 扁石蜥的数量则要少得多 But here one unusual abundance has produced another. 但在这里 一种特别的资源 带动了另一物种的兴起 Deserts are created by the lack of water, 沙漠的形成是因为缺少水 but wha...