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分类：自然
集数：2集
导演：
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简介：鸟，地球上有史以来最杰出的飞行家。在空中自由翱翔，有一点对鸟来说至关重要，那就是既要有能量储备又要把体重保持在最低水平。于是寻找到高能又不能增加体重的食物来满足自己超大的胃口就成了鸟必须面对的课题，而鸟天生就是解决这一问题的高手。收起
鸟类的食物（上） 《人与自然》20110912
鸟类的食物（下） 《人与自然》20110913
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