Storm and his family are true travellers. But finding their prey is no easy task.
"风暴"和牠的家族是真正的旅行者，但找寻牠们的猎物并非易事。
Wood Buffalo National Park is huge, it would take me a whole season to walk around it.
野牛国家公园相当大，我要花整整一个季度才能踏遍这里。
But the buffalo concentrate around the Peace and Athabasca Rivers, where they find the best winter grazing.
而野牛群都聚集在阿萨巴斯卡河周边，那是牠们冬季最佳的草场。
Killing a buffalo is a risky business. But these wolves have hunted buffalo for hundreds, if not thousands, of years.
猎杀野牛是件很危险的事，但这些狼群靠捕食野牛为生没几千年也有数百年了。
They know what they need to do.
牠们知道该怎么做。
Storm and his pack have to attack from behind, so they must get the herd to run.
"风暴"和牠的族群得从背面进攻，牠们得让野牛群跑起来。
The buffalo know that if they stand and face the wolves, they have the advantage.
野牛们知道只要牠们正面对抗狼群牠们就占有优势。
Sometimes, these stand-offs can last for days. But if this strategy were foolproof, there wouldn't be any wolves.
有时，这样的对峙局面能持续几天，但如果这招万无一失的话，狼群们恐怕早就灭绝了。
Eventually, the buffalo lose their nerve and make a run for it.
最终，野牛们胆怯了，开始逃跑。
