A group of scientists at the University of Warwick say that's because of birds'instinctive need to maintain optimal density of the flock, in order to be able to see through it and watch for predators, while keeping the flock together.

  • 华威大学的科学家小组表示这是因为鸟类的本能需要保持最佳的群体密集性,为了能够看穿而且观察捕食者,同时保持鸟群的整体性。

  • 互联网摘选 2025-01-20 00:21:01

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