crow cigarette cleaning In Sweden, a surprising idea is turning crows into allies in keeping cities clean. Instead of hiring crews to pick up butts, one of the most common types of litter, a Crows trained to clean up

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 Swedish firm deploys crows to pick up cigarette butts Birds The Guardian Wild crows trained to pick up cigarette butts in Swedish street cleaning project

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