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, The Guardian – Crows are
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 Swedish firm deploys crows to pick up cigarette butts Birds The Guardian A project in Sweden is training crows to help clean the streets by collecting discarded cigarette butts. The system uses a machine that rewards the birds with food when they drop cigarette How Wild Crows in Sweden Are Helping Clean Up Thousands of Cigarette Butts NEWS Crows Trained to Pick Up Cigarette Butts by Swedish Startup
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