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During winter, even eagles rely almost entirely on carrion.
在冬季，即使鷹類也幾乎完全仰賴腐尸度日。
It's a dead fox, and it could sustain her for days.
這是一只死去的狐貍，這頓美餐能讓她支撐數(shù)日。
Other scavengers must defer.
其它食腐者只能等著了。
The hungry crows soon regain their courage.
饑餓的烏鴉很快重新鼓起勇氣。
They'll try any trick to steal a morsel.
他們想盡辦法，試圖分一杯羹。
And they are annoyingly persistent.
頑固地令人厭煩。
But this mob are the least of her worries.
但這群烏鴉是她最不需要擔心的。
A bigger eagle takes control.
一只更大的金雕搶走了食物。
But this kill is too important to give up. So she must fight.
但這頓美餐太過重要，不能輕易放棄。必須奮起一搏。
For the moment, she's won the carcass back.
她暫時搶回了尸體。
But a kill like this will attract every eagle for miles around.
但這樣的獵物會引來方圓數(shù)公里內所有的鷹。
As ever, the strongest wins the lion's share.
最終依然是最強者贏得大部分食物。
Unable to defend the carcass any longer, the first eagle must now continue its search.
搶不到那具尸體，第一只雕只能繼續(xù)它的覓食之旅。
It may be many days before she feeds again.
也許下一次飽餐就是數(shù)日之后的事情了。
Only the most competitive will survive the perils of the mountain winter.
只有最具競爭力的生物才能在山脈的寒冬中存活下來。
