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简介：根据大小和形状，鸭子一共有120个种类。有些种类喜欢群居，吵吵嚷嚷；有些喜欢独居，貌似非常害羞。本以为鸭子是我们最熟悉的动物之一，但是，我们大多数人并不了解鸭子，它是一种惊人的、复杂的生物，它们如何生儿育女，并跨越千山万水一起迁徙，该片为观众们详细介绍了鸭子的前世今生和我们不知道的秘密。收起
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