BBC紀(jì)錄片《冰凍星球》世界的盡頭第7期:狼和野牛代代抗衡

[00:04:01]These bison are even bigger than their southern cousins 這些野牛較其低緯同類體型更大 [00:07:12]and the largest land animals in North America. 是北美洲最大的陸生動物 [00:10:08]For generations, wolves and bison here 狼與野牛在此代代抗衡 [00:13:29]have been shaped by their battles with each other, 于是得以進(jìn)化 [00:16:51]making each the most impressive of its kind. 成為同物種的佼佼者 [00:22:16]The bison will not stay long among the trees. 野牛不會在林中棲息過久 [00:25:34]They're not safe here. 這里并非安全地帶 [00:28:30]The wolves are closing in, 狼群逐漸靠近 [00:35:37]but their chance of ambushing the bison in the woods has passed. 可惜在林中伏擊野牛的機(jī)會業(yè)已喪失 [00:39:18]Their prey are now in the open 獵物已進(jìn)入空曠區(qū)域 [00:41:14]and grouped together for safety. 結(jié)伴而行 以保安全 [00:43:13]The wolves will need to work as a team 狼群若想一擊成功 [00:49:41]if they are to make a kill. 便需要協(xié)作作戰(zhàn) [00:54:24]They circle the herd, trying to unsettle it 它們呈圍攻之勢 企圖擾亂陣腳 [00:56:55]and split it up. 進(jìn)而各個擊破 [00:58:29]But the bison are armed and dangerous. 不過野牛角鋒銳利 相當(dāng)危險 [01:00:49]They will be safe as long as they stick together. 如能互為犄角 便可保持不敗 [01:03:17]The wolves up their game, harrying the herd, 狼群讓戰(zhàn)斗升級 率先挑釁 [01:12:24]a ploy to trigger a stampede 先對牛群進(jìn)行騷擾 [01:14:15]and split away one of the smaller ones. 從而孤立出一個孱弱者 [01:19:22]The bison form a defensive circle around their young, 野牛們以幼崽為中心 組成防御性外圍 [01:22:06]horns pointing outwards. 它們的角朝外

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