Jellyfish as a species are actually older than dinosaurs and sharks.
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15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
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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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The oldest creature ever found was Ming the clam at an admirable 507 years old.
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