Dire wolves actually existed, living up to 10,000 years ago before going extinct.
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When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
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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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Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
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A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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