sweden crow cigarette 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 Tidy Foundation, Rumor that city in Sweden

Rumor that city in Sweden trained crows to pick up cigarette butts is for the birds Swedish startup's device trades food for litter, reduces cigarette butts 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 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 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

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