北极狐是北极草原上真正的主人,它们不仅世世代代居住在这里,而且除了人类之外,几乎没有什么天敌。因此,在外界的毛皮商人到达北极之前,狐狸们真是生活得自由自在,无忧无虑(lu)。它们虽然无力向驯鹿那样的大型食草动物进攻,但捕捉小鸟,捡食鸟蛋,追捕兔子,或者在海边捞取软体动物充饥都能得心应手。到了秋天,它们还能 Arctic foxes are the true masters of the Arctic grasslands. They live here not only for generations, but also have few natural enemies other than humans. Therefore, before the fur traders outside reach the North Pole, the foxes really live freely and carefreely. Although unable to attack large herbivores such as the reindeer, they are handy for catching small birds, picking eggs for eggs, chasing rabbits, or fishing for molluscs by the sea. In the fall, they still can