一种观点认为，这些画是兽群季节性迁徙的记录。
One opinion is that the paintings were a record of seasonal migrations made by herds.
起初，他们控制了兽群的迁移以确保获得稳定的肉食来源。
At first, they controlled the movement of the herd while ensuring continuance of their meat diet.
但他们很快也获得了对动物的遗传控制，这导致了兽群的快速生理变化。
But soon they also gained genetic control of the animals, which led to rapid physical changes in the herd.
为什么不能用传统的方法来精简兽群呢？
他意识到他妈妈是对的，兽群确实帮助他们活了下来。
兽群中最庞大的狮子跳到他跟前。
兽群中的雄性动物保护雌性动物和幼仔。
兽群的反应便是一个典型的群体防御。
这些兽群代表了动物学的那些方面和分类？
What aspects and categories of zoology are represented by this menagerie?
然而多数情况下，小兽群是很警觉的，一般不容易被接近。
Mostly, however, the small herds are wary and hard to approach.
他以严厉的眼光吓他们，活象兽群中间的驯兽师。
治疗兽群：疾病，畜牧经济，以及兽医医药全球化。
Healing The Herds: Disease, Livestock Economies, And The Globalization Of Veterinary Medicine (Series in Ecology).
确实，这棵树上有很多水牛角刻出的无数的划痕。然而多数情况下，小兽群是很警觉的，一般不容易被接近。
Indeed, the tree was scored by innumerable gashes from the buffalo's horns. Mostly, however, the small herds are wary and hard to approach.
由于他们要跟着兽群在草原上四处走，家族成员先分散开，然后在不同的地方相聚，这是他们的一个习俗。
It was the custom of family groups to separate and then gather again at different sites for reunions as they followed the animal herds across the grasslands.
由于他们要跟着兽群在草原上四处走，家庭成员先分散开，然后在不同的的地方相聚，这是他们的一个习俗。
It was the custom of family groups to separate and then gather again at different sites for reunions as they followed the animal herds across the grassland.
兽群中最庞大的狮子跳到他跟前，然而，让所有人吃惊的是，狮子在沙地上坐了下来，抬起前爪，点了点头。
The biggest lion of all came bounding towards him. Then, to everyone's surprise, it sat down in the sand, raised its paw and bowed its head.
如果它从上方直接攻击，它会一头扎到兽群中心巨大强壮的雄性中间，并将更容易捕获的目标直接驱赶到海里。
Had he attacked from above, he would have plunged head-long into big, strong males at the center of the pack and driven easier targets directly into the sea.
这消息很快在兽群之间传开了，大家都为病狮哀伤不已。
The report soon spread among the beasts, and there was great lamentation for the sick lion.
这消息很快在兽群之间传开了，大家都为病狮哀伤不已。
The report soon spread among the beasts, and there was great lamentation for the sick lion.
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