sweden crow cigarette In Sweden, an innovative project has demonstrated how intelligent birds can help tackle urban litter. Researchers and a startup called Corvid Cleaning trained wild crows to collect butts from the streets Crows trained to clean up

Crows trained to clean up cigarette butts on Swedish streets National Butts for nuts: can crows do our dirty work (and should they)? Crows trained to clean up cigarette butts in Sweden Reuters Crows trained to pick up cigarette butts in Sweden video Birds The Guardian 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

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