sweden crow cigarette In Sweden, a startup tested a machine that rewards crows with food every time they drop butts into it. The idea sounds unbelievable, but the goal was simple: turn one of 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 These birds 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 crows carry out the task as they receive some Swedish startup's device trades food for litter, reduces cigarette butts In Sweden, a startup called Corvid Cleaning tested a pilot machine designed to train crows to collect cigarette butts and exchange them for small food rewards. Corvids: the bird family that includes 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,

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