The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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Cats recognise the voice of their owner, but never evolved to care.
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Gorillas can catch human colds and other illnesses.
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Dogs have been man's pet for over 14,000 years.
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Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
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If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
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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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