crows picking up cigarettes The Guardian – are being recruited to pick discarded cigarette butts from the streets and squares of a Swedish city as part of a cost-cutting drive. The wild birds carry A Swedish startup, Corvid Cleaning,

A Swedish startup, Corvid Cleaning, is tackling litter by training wild crows to collect cigarette butts in exchange for food : r interesting Birds in France trained to pick up cigarette butts in exchange for food indy100 Crows trained to clean up cigarette butts in Sweden YouTube Sweden uses crows to pick up cigarette butts CROWS Clean Up City Streets by Collecting Cigarette Butts Recycling Council of Alberta

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