sweden crows cigarettes Butts for nuts: can do our dirty work (and should they)? The Guardian – Crows are

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 Swedish firm deploys crows to pick up cigarette butts Birds The Guardian Crows Collect Cigarette Butts for Food in Swedish Pilot Amar Dalvi posted on the topic LinkedIn 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

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