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BlobNotFoundThe specified blob does not exist. RequestId:665f0ea7-d01e-010b-285c-116648000000 Time:2019-05-23T11:40:13.7104156Z

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蓝山雀(资料图)

  据香港《苹果日报》报道,近日一项调查发现,雄性蓝山雀一旦感到配偶“年老色衰”,就会往外跑,不愿见到“黄脸婆”。

  奥地利维也纳的科学家,趁着雌性蓝山雀孵蛋后,在它们头顶涂上防紫外线的油,令蓝冠失去艳光,变成“黄脸婆”。结果雄性配偶随即便减少回巢给幼雀喂食,更多时间则是往外跑。研究员解释说,它们大概想保留精力,等待下个交配季节。

  研究还发现,雌性蓝山雀为避免遭离弃,总会花心思让蓝冠艳光不褪,这像妻子打扮吸引丈夫一样。

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BlobNotFoundThe specified blob does not exist. RequestId:ab300b29-e01e-0061-785c-117cb6000000 Time:2019-05-23T11:40:13.7548995Z