crows cigarette butts 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, Good birdie! This box trains

Good birdie! This box trains crows to collect cigarette butts for cleaner cities Digital Trends The Guardian Crows are being recruited to pick up discarded cigarette butts from the streets and squares of a Swedish city as part of a cost cutting drive. The wild birds carry Crows trained to clean up cigarette butts on Swedish streets National No Butts About It: Crows Cleaning Up Cigarettes at a French Theme Park Urbanist This Startup Teaches Crows to Pick up Cigarette Butts from City Streets

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