Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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Only 3% of bird species have penises.
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The oldest creature ever found was Ming the clam at an admirable 507 years old.
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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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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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