crows collecting 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 Butts for nuts: can crows

Butts for nuts: can crows do our dirty work (and should they)? Fighting litter with crows : r gifs A project in Sweden is training crows to help clean the streets by collecting discarded cigarette butts. The system uses a machine that rewards the birds with food when they drop cigarette In Sweden, a innovative startup called Corvid Cleaning has developed a clever system that harnesses the remarkable intelligence of wild crows to help clean urban streets. The project, piloted in Sdertlje near Sweden deploys 'easy to teach' CROWS to pick up cigarette butts on city streets Daily Mail Online

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