Arctic hare is a mainstay of the tundra diet and one the cubs seem particularly keen on.

北极野兔是冻原主要的食物小家伙们貌似对这一食物情有独钟。

Some tundra animals do change with the seasons. This arctic hare's upper body will darken for the few short weeks of summer.

有些动物的确会随季节而改变，这种北极野兔的上半身毛色会在夏季短暂的几周里变得稍暗。

The arctic hare is blue gray in the summer and  white in the winter so it will not be seen.

北极兔夏天是蓝灰色的，冬天是白色的，所以不会被看到。