Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
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Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
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There's a rare breed of pig that looks like a sheep.
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In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
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A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
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The oldest recorded elephant lived for 82 years.
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The station master and operating officer at the Kishi Station, Japan, is a cat!
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