It has been scientifically proven that stroking a cat can lower one's blood pressure!
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Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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Elephants are terrified of Bees and actually have a special, distinct vocalization for “Run away the Bees are angry”
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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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When you shave a guinea pig it looks like a little hippo.
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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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