sweden crow cigarette A Swedish start-up, Corvid Cleaning, is recruiting an unlikely workforce, wild crows, to combat urban pollution., The pilot project, launched in partnership with the Keep Tidy Foundation, Rumor that city in Sweden

Rumor that city in Sweden trained crows to pick up cigarette butts is for the birds The Swedish have wild drone tech : r BirdsArentReal 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 Crows trained to clean up cigarette butts in Sweden YouTube

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