涨知识：关于动物的42个有趣事实（下）
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。
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25. Some penguins are ticklish.
一些企鹅很怕痒。
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26. Cows take turns in babysitting their young. One will stay with the calves while other moms graze further away.
奶牛会轮流照看小牛。当其他奶牛妈妈去远处吃草时，会有一头奶牛妈妈留下来陪伴小牛们。
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27. Octopuses make cute little gardens by collecting stones and shiny things and arranging them in the sand.
章鱼会收集石头和亮晶晶的东西，在沙子上排列一番，造出可爱的小花园。
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28. Hundreds of seedlings become trees every year because of squirrels forgetting where they buried their food.
每年都有数百棵树是因为松鼠忘记把食物藏在哪里而长成的。
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29. It takes some time for baby elephants to get control of their trunks.
小象需要花一些时日才能控制自己的象鼻。
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30. Red pandas use their fluffy tails as blankets to keep warm when they sleep.
小熊猫睡觉时用自己毛绒绒的尾巴当毯子来保暖。
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31. Prairie dogs say hello by kissing.
草原犬鼠通过亲吻来打招呼。
图片来源：Flickr
32. Baby elephants suck on their trunk for comfort.
小象通过吮吸象鼻来寻求安慰。
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33. Ducks like to surf. They've been observed riding tides and swimming back to ride them again.
鸭子喜欢冲浪。它们曾被观察到冲浪，然后又游回去再来一次。
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34. Some fish can recognize their owner's face.
一些鱼可以认出主人的脸。
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35. Wolves have babysitters. Members of the pack watch over the young when the parents go hunting.
狼群内有保姆。在父母们出去猎食时，狼群的一些成员会照看小狼。
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36. Guinea pigs hop up and down when excited and apparently it's called 'popcorning'.
豚鼠在激动时会蹦蹦跳跳，显然这就是“爆米花跳”。
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37. Sea horses get 'married'.
海马会“结婚”。
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38. Chinchilla fur is so dense that it's very bad for them to get wet. So instead of bathing in water, they bathe in dust.
毛丝鼠的毛太密，所以一旦湿了就很麻烦。所以它们不在水里洗澡，而在尘土里“洗澡”。
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39. Dolphins have names for one another.
海豚们都有自己的名字。
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40. Dragonflies and damselflies form a heart with their tails when they mate.
蜻蜓和豆娘在交配时会用尾巴摆出一个心形。
图片来源：Flickr
41. Toucans curl into a little tiny ball when they sleep.
犀鸟在睡觉时会将身体蜷成一个小球。
图片来源：Flickr
42. Caribbean sperm whales have their own regional accent.
加勒比海抹香鲸有自己的地方口音。