A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
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Penguins have a gland above their eye that turns saltwater into freshwater.
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Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
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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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It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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