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 Swedish startup's device trades food

Swedish startup's device trades food for litter, reduces cigarette butts In Sweden, a startup tested a machine that rewards crows with food every time they drop cigarette butts into it. The idea sounds unbelievable, but the goal was simple: turn one of 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, Watch: Crows trained to collect cigarette butts in French theme park Trading Bird Food For Cigarette Butts Hackaday

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