There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
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If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
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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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The Platypus used to be considered a myth like Bigfoot and the Yeti.
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A group of pugs is called a grumble.
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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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