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 Crows pick up cigarette butts:

Crows pick up cigarette butts: Dutch startup training birds to pick up litter for food TomoNews Butts for nuts: can crows do our dirty work (and should they)? In Sweden, Crows Are Learning to Pick and Dispose of Cigarette Butts Properly The Swaddle Crows collect cigarette butts for food in Sweden SWEDEN IS REWARDING CROWS WITH FOOD FOR CLEANING UP CIGARETTE BUTTS! In Sdertlje, Sweden, a startup called Corvid Cleaning is testing a clever idea: training crows to collect cigarette butts off the A pilot program in Sweden trained wild crows to drop cigarette butts into a machine in exchange for food. Run by startup Corvid Cleaning, it aimed to cut litter clean up costs by

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