BBC紀(jì)錄片《冰凍星球》冬季第2期:狼

[00:00:57]As winter deepens, 隨著冬季的深入 [00:02:24]frigid air from the Arctic 從北極來的冷空氣 [00:04:10]meets warm, moist air from the south, 與南方溫暖濕潤的空氣相遇 [00:06:33]producing particularly heavy snows. 形成了漫天的暴雪 [00:16:31]For the big animals of the forest, 對于森林中的大型動物 [00:18:32]there's no way of hiding from the winter. 寒冬似乎無法躲避 [00:21:07]But size, for the bison of Northern Canada, 但對加拿大北部的野牛來說 [00:28:54]is, in fact, their salvation. 體積大 反而成了它們的優(yōu)勢 [00:31:20]Big bodies lose less heat 龐大的體積能減少熱量流失 [00:33:30]and can carry more insulation. 而且隔熱效果好 [00:36:47]That may be why these bison 這也解釋了為何這些野牛 [00:38:59]are the largest land animals in North America. 是北美洲體積最龐大的陸地動物 [00:45:25]And only a large predator can tackle them. 只有大型的食肉動物才能擒獲它們 [00:57:09]Wolves hunt better in packs, 狼 以集體狩獵見長 [00:59:03]but there are only two of them here 但目前只有兩匹狼作伴 [01:00:26]and the prey they pursue are giants. 而它們追捕的獵物卻體型碩大

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