crows cigarette butts A project in Sweden is training to help clean the streets by collecting discarded butts. The system uses a machine that rewards the birds with food when they drop cigarette Dutch Company Wants To Use

Dutch Company Wants To Use Crows To Clean Up City Of Cigarette Butts Clever Crows Are Now Picking Up Cigarette Butts And Quietly Saving Millions in Cleaning Costs Swedish Company Trains Crows to Clean Up Cigarette Butts EcoWatch 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 Crows Teach Us Innovation with Cigarette Butt Vending Machine Samriti Grover The Conversions posted on the topic LinkedIn Crows help to clean up cigarette butts in several countries

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