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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The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
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The colossal squid has the largest eyes in the world.
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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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A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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Gorillas can catch human colds and other illnesses.
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