sweden crow cigarette A Swedish start-up, Corvid Cleaning, is recruiting an unlikely workforce, wild crows, to combat urban pollution., The pilot project, launched in partnership with the Keep Tidy Foundation, Wild crows in sweden trained

Wild crows in sweden trained themselves to exchange cigarette butts for food, using machine deisgned YouTube Rumor that city in Sweden trained crows to pick up cigarette butts is for the birds A Swedish startup, Corvid Cleaning, is tackling litter by training wild crows to collect cigarette butts in exchange for food : r interesting Crows 'Paid' to Pick Up Cigarette Litter in Sweden Watch: Wild crows trained to clear cigarette butts from streets in Stockholm, Sweden In Sweden, a startup tested a machine that rewards crows with food every time they drop cigarette butts into it. The idea sounds unbelievable, but the goal was simple: turn one of

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