crows picking up cigarettes The Guardian – are being recruited to pick discarded cigarette butts from the streets and squares of a Swedish city as part of a cost-cutting drive. The wild birds carry Sweden startup is teaching crows

Sweden startup is teaching crows to clean up cigarette butts after stupid humans In Sweden, group of crows are trained picking up cigarette butts off the street, cutting clean up costs by up to 75%. Crows Could Be Trained To Clear Up Cigarette Butts From The Streets IFLScience 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, Clever Crows Pick up Cigarette Butts in Sweden in Exchange for Rewards

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