Early American humans hunted car-size armadillos and used their shells for houses.
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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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Ants have tiny magnetic compasses in their antennae which help them navigate.
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Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
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Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
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