crows collecting cigarettes A project in Sweden is training to help clean the streets by discarded cigarette butts. The system uses a machine that rewards the birds with food when they drop cigarette Clever Crows Are Now Picking

Clever Crows Are Now Picking Up Cigarette Butts And Quietly Saving Millions in Cleaning Costs A Swedish company has been training crows to pick up cigarette butts in an effort to reduce the cost of cleaning litter off the streets in Sdertlje, near Stockholm., Corvid Cleaning has developed a 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, 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

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