crow cigarette butts 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 from the streets Sweden’s Corvid Cleaning tested an

Swedens Corvid Cleaning tested an ingenious vending machine that trained wild crows to clean up streets! , When crows dropped discarded cigarette butts into the device, it scanned the litter and No Butts About It: Crows Cleaning Up Cigarettes at a French Theme Park Urbanist 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, Wild crows trade cigarette butts for peanuts to keep Swedish streets clean National Post Butts for nuts: can crows do our dirty work (and should they)?

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