Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
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Sloths take two weeks to digest their food.
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Dogs sometimes fake being sick to get attention.
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When cats are happy, they may squeeze their eyes shut.
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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
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