They were in their prime twenty million years ago 2000万年前它们就已经在这里
and they live for thousands of years. 寿命更可达数千年
Birds are fortunate. When the seasonal crop is gathered, they can fly south 鸟类是幸福的.当收获季节结束时,它们可以向南方飞去
but soon they dominate the land. 再往南它们便马上支配了这片土地
Once the mother and calf have reached their feeding grounds, they will separate. 一旦母鲸和小鲸到达他们的给养地 它们就要分开
but they have razor sharp bills and a feisty character. 但是企鹅有尖利的喙和易怒的性格
But first they must cross a crowded beach, 不过首先它们要通过拥挤的海滩
They only thrive in cold temperate seas for only these waters contain sufficient food necessary to fuel such a ravenous predator. 它们只呆在冰冷的海里,也只有大海才有充足的食物 供这种贪婪的掠食者享用