Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
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Dire wolves actually existed, living up to 10,000 years ago before going extinct.
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A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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Alligators can live up to 100 years.
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It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
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The male seahorse carries babies and 'gives birth' to them instead of the female.
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