科研之友
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摘要
<正>火烈鸟喜欢结群生活，它们是世界珍稀鸟类，但是由于全球湿地面积急剧缩减，火烈鸟的处境岌岌可危。Spend some time watching flamingos, and you might think that not much goes on in their tiny heads. But these elegant birds actually lead complex social lives. Each bird has certain other individuals it prefers to spend time with, and others it avoids.
