When cats are happy, they may squeeze their eyes shut.
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Lurch, a Watusi bull, had the largest horns in the world.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
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