动物王国隐藏着无限的奥秘，等着你去发现。今天我们就来介绍42个关于动物的有趣事实，看完了你会惊叹：世界真奇妙！

涨知识：关于动物的42个有趣事实（上）

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22. Some tiny spiders wear water droplets as hats.一些小蜘蛛会把水滴当帽子戴。

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23. Dolphins will intentionally play with puffer fish and get poked by the spikes. The poison in the spikes gets them high.海豚会故意找河豚玩，让自己被河豚的硬刺扎。刺里的毒素会让海豚飘飘欲仙。

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24. Tigers are unable to purr, so in order to show affection, they close their eyes and "chuff" because closing their eyes means they leave themselves vulnerable.老虎不能（像猫一样在高兴时）发出咕噜声，因此当它们想表达感情时，会闭上眼睛发出擦擦声，因为闭上眼睛意味着让自己处于弱势。