Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
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Denmark has twice as many pigs as there are people.
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Sheep, goats, octopuses, and toads have rectangular pupils.
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There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
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The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
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