Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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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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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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Sea otters hold hands while sleeping so they don’t drift away from each other.
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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
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