sweden crow cigarette In Sweden, a startup tested a smart but unusual idea: rewarding wild crows with food for picking up butts. The birds drop the waste into a special machine and receive a Unbox - Sweden has begun

Unbox Sweden has begun training wild crows to collect litter especially cigarette butts in exchange for food rewards. A special machine recognizes when a crow drops a piece of 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 When Birds Help Clean The City In Sweden, researchers and innovators have experimented with training wild crows to collect discarded cigarette butts in exchange for food rewards. using simple learning mechanisms, the Sweden deploys 'easy to teach' CROWS to pick up cigarette butts on city streets Daily Mail Online Crows 'Paid' to Pick Up Cigarette Litter in Sweden The Guardian Crows are being recruited to pick up discarded cigarette butts from the streets and squares of a Swedish city as part of a cost cutting drive. The wild birds carry

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