sweden crows pick up cigarettes startup is teaching to clean cigarette butts after stupid humans These crows are putting humans

These crows are putting humans to shame by picking up cigarette butts Euronews Sweden deploys 'easy to teach' CROWS to pick up cigarette butts on city streets Daily Mail Online Wild crows collect cigarette butts in Sweden for food rewards 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 A Swedish company called Corvid Cleaning is training wild crows in the city of Sdertlje to collect cigarette butts in exchange for food rewards. The project uses a specially designed machine that

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