The Muskoxen continue to stock up vital reserves ahead of the scarcity of winter.
麝牛继续为食物短缺的冬季提前做好充分储备。
Making their way back up to the mountains, they will face the worst of the coming season.
它们正在往山上迁移，它们将要面对的是最糟的季节。
With thick coats and full bellies, they are prepared to meet the challenge.
披上厚厚的外衣，填饱了肚子，它们已准备好迎接挑战了。
For every creature, these final days of autumn are critical.
对各种生物来说，秋天这最后一段日子都很重要。
Preparation is the key to surviving the harsh days ahead.
要挺过之后严酷的冬季，能否做足准备是关键。

Those that can't endure its hostility take autumn as their cue to leave.
无法忍受冬季恶劣环境的动物则以秋季为期限离开这里。
In the forests, things are growing quieter.
森林里越来越安静。