crows collecting cigarettes Unbox Cool idea, but is it

Cool idea, but is it possible? : r crows In Sweden, group of crows are trained picking up cigarette butts off the street, cutting clean up costs by up to 75%. 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 Sweden Tidy Foundation, A Swedish startup, Corvid Cleaning, developed an innovative machine that rewards crows with food when they deposit cigarette butts into a collection slot. The system is based on reward based learning, a

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