crows cigarette butts Watch: trained to collect in French theme park In Sweden, an innovative project

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 cigarette butts from the streets How Wild Crows in Sweden Are Helping Clean Up Thousands of Cigarette Butts NEWS Trading Bird Food For Cigarette Butts Hackaday Swedish Company Trains Crows to Clean Up Cigarette Butts EcoWatch 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, Butts for nuts: can crows do our dirty work (and should they)?

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