crows cleaning up cigarettes In Sweden, an innovative project has demonstrated how intelligent birds can help tackle urban litter. Researchers and a startup called Corvid trained wild to collect cigarette butts from the streets A Swedish startup, Corvid Cleaning,

A Swedish startup, Corvid Cleaning, is tackling litter by training wild crows to collect cigarette butts in exchange for food : r interesting Watch: Wild crows trained to clear cigarette butts from streets in Stockholm, Sweden In Sweden, Crows Are Learning to Pick and Dispose of Cigarette Butts Properly The Swaddle Swedish Company Trains Crows to Clean Up Cigarette Butts EcoWatch A Swedish startup called Corvid Cleaning is testing a creative way to reduce litter by training wild crows to pick up cigarette butts. Using a special machine, the birds drop pieces of

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