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分類：自然
集數：2集
導演：
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簡介：北極地區是世界最北部的冰凍寒洋，但是北極熊的生存環境開始變得日益艱難，全球氣候日益變暖，使得北極熊和灰熊的自然天堂遭到了破壞，大量的飛禽走獸由於變暖的氣候開始向地球的北部遷徙。節目中為我們介紹兩種熊類的生活狀況。收起
自然發現——北極熊和灰熊（下）
自然發現——北極熊和灰熊（上）
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