sweden crows cigarettes Butts for nuts: can do our dirty work (and should they)? Crows trained to clean up

Crows trained to clean up cigarette butts in Sweden YouTube Cigarette butts make up more than 60 percent of all street litter in Sweden, and cities spend millions of kronor every year cleaning them up. One Swedish startup looked at that problem Swedish Company Trains Crows to Pick Up Cigarette Butts A Swedish startup called Corvid Cleaning has found a clever way to fight litter using wild crows. According to The Guardian, the company developed a device that rewards crows with food when 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

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