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）
图片来源：Flickr
22. Some tiny spiders wear water droplets as hats.一些小蜘蛛会把水滴当帽子戴。
图片来源：Unsplash
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。
图片来源：Unsplash
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。
