It has been estimated that a bite from a grizzly bear can crush a bowling ball.
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The Basenji dog is the only dog that is not able to bark.
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Cats recognise the voice of their owner, but never evolved to care.
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The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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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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