france crows cigarettes Birds in trained to pick up cigarette butts in exchange for food French theme park trains crows

French theme park trains crows to pick up visitor litter Kansas City Star Dutch Startup Wants to Train Crows to Clean Streets of Cigarette Butts A theme park in France employs specially trained crows to pick up cigarette butts and trash from the ground. Each time a bird drops trash into a special box, it receives a In France, some crows have been trained to pick up cigarette butts on the street. The crows pick up cigarette butts and put them into a machine, where they receive food as a reward.

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