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分類：自然
集數：2集
導演：
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簡介：鳥，地球上有史以來最傑出的飛行家。在空中自由翱翔，有一點對鳥來説至關重要，那就是既要有能量儲備又要把體重保持在最低水平。於是尋找到高能又不能增加體重的食物來滿足自己超大的胃口就成了鳥必須面對的課題，而鳥天生就是解決這一問題的高手。收起
鳥類的食物（上） 《人與自然》20110912
鳥類的食物（下） 《人與自然》20110913
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