crows cigarette butts In Sweden, Are Learning to Pick and Dispose of Properly A project in Sweden is

A project in Sweden is training crows to help clean the streets by collecting discarded cigarette butts. The system uses a machine that rewards the birds with food when they drop cigarette Crowbars: Vending Machines Reward Crows for Cleaning Up Cigarette Butts Urbanist Butts for nuts: can crows do our dirty work (and should they)? Wild crows in sweden trained themselves to exchange cigarette butts for food, using machine deisgned YouTube 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 CROWS Clean Up City Streets by Collecting Cigarette Butts Recycling Council of Alberta

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