Why is the number of the arctic foxes becoming smaller and smaller?
为什么北极狐的数量变得越来越少？
What do the Arctic foxes mainly feed on?
北极狐主要吃什么？
The Arctic foxes feed mainly on birds, birds' eggs and other small animals.
北极狐主要以鸟类、鸟蛋和其他小动物为食。
Today the number of the Arctic foxes is becoming smaller and smaller, because people kill them for their fur to make beautiful coats for money.
今天，北极狐的数量变得越来越少，因为人们杀死它们来得到它们的毛皮，以制造漂亮的外套换取金钱。
Russians were driven by the lure of "soft gold" : the skins of beavers, Arctic foxes and above all sable.
河狸、北极狐，特别是黑貂的皮毛被称作“软黄金”，俄罗斯人在其诱惑下纷至沓来。
A great number of polar owls, white geese, brant geese, Arctic foxes, walruses and other animals live here.
大量的白猫头鹰，白鹅，黑雁，北极狐，海象以及其它动物在这里生存。
The Arctic fox is disappearing from the southern edge of the tundra as larger, more dominant red foxes move northward and lemming prey grow less abundant as temperatures warm.
由于体型较大且较具优势的红狐北移，北极狐在苔原南部的数量正在下降，而且他们的猎物旅鼠也因为气温上升而越来越少。
The Arctic fox is disappearing from the southern edge of the tundra as larger, more dominant red foxes move northward and lemming prey grow less abundant as temperatures warm.
由于体型较大且较具优势的红狐北移，北极狐在苔原南部的数量正在下降，而且他们的猎物旅鼠也因为气温上升而越来越少。
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