The elephant brain weighs about 6,000g.
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When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
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The Platypus used to be considered a myth like Bigfoot and the Yeti.
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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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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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