Even in thick snow, bison can run at up to 35mph.
即使在厚重積雪中,野牛最高也能以時速35英里奔跑。
The lead female wolf leads the chase.
領頭雌狼帶頭追擊。
A kick from a bison's hind leg could shatter herjaws.
被野牛的后腿踢中就可能擊碎它的下顎。
But the pack must feed, and they take turns to attack.
可是狼群必須進食,它們輪流攻擊。
The bison head for cover.
野牛沖向掩蔽處。
The deep snow slows down both attacked... and attacker.
深雪使得遇襲者與襲擊者雙方都慢了下來。
The herd splits into two. But the wolves are far from giving up.
牛群一分為二。但狼群可不打算就此放棄。
Hours pass. The thicker vegetation has turned a straightfonnard chase... into a deadly form of hide and seek.
經過了許久。濃密的植被使得筆直向前的追逐,變成一種致命的躲藏與追捕。
Discovered. The lead female manages to chase the smaller group into the open.
被發現了。領頭雌狼設法將較小的牛群追至開闊處。
But here the bison are able to close ranks once again.
可是到了這里野牛也能再次圍成防線。
The leading wolves wait for the rest of the pack to catch up.
領頭狼夫婦等待其他成員趕到。
The super-pack is once again at full strength.
超級狼群再次全員到齊。
Suddenly, two of the bison panic. It's just what the wolves have been waiting for.
突然間,兩只野牛驚慌竄逃。這正是狼群期待的結果。
One of the bison is tiring.
其中一只野牛累了。
The lead female gets a grip on its flanks. The male joins her.
領頭雌狼一口咬住它的側面。雄狼也加入攻勢。
Together, they might be able to bring it down. The rest of the wolves catch up and help.
雙狼合作或許就能將它制伏。其余的狼趕來助陣。
After eight long, hard hours, the hunt is coming to an end.
經過了漫長辛苦的八小時,獵殺終于來到尾聲。
Victory is sounded to summon the rest of the pack.
勝利的嚎叫召喚剩余的狼群。
A single wolf wouldn't stand a chance of making such a kill by itself.
單一只狼不可能只靠自己獵到這等豐收。
The only way they have of surviving the winter is as a super-pack.
它們度冬的唯一方式就是組成超級狼群。