_why-are-some-birds-so-perfunctory-in-building-their-nests-preview-1.jpg "随便搭几根树枝就敢下蛋？为什么有的鸟筑巢能这么敷衍？Why are some birds so perfunctory in building their nests? from www 鐖江鐖娇鐖健鐖娇鐖鐖拷锟斤涧鈮掞溅锝︾埇锝剧埇锟斤拷锝¸ Video Screenshot Preview 1")
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