sweden crows cigarettes A Swedish company has been training to pick up cigarette butts in an effort to reduce the cost of cleaning litter off the streets in Södertälje, near Stockholm., Corvid Cleaning has developed 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 Sweden, Crows Are Learning to Pick and Dispose of Cigarette Butts Properly The Swaddle In Sweden, an innovative project has demonstrated how intelligent birds can help tackle urban litter. Researchers and a startup called Corvid Cleaning trained wild crows to collect cigarette butts from the streets 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 Sweden Tidy Foundation,

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