Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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The male seahorse carries babies and 'gives birth' to them instead of the female.
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Bats sleep 18-20 hours per day.
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Early American humans hunted car-size armadillos and used their shells for houses.
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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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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
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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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