sweden crow cigarette Swedish Company Trains Crows to Pick Up Butts In Sweden, an innovative project

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 Crows trained to clean up cigarette butts in Sweden YouTube In a city near Stockholm, wild crows are being trained to become street cleaners and it's turning heads around the world. A Swedish startup called Corvid Cleaning built a machine that Sweden uses crows to pick up cigarette butts

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