crow cigarette cleaning
crow cigarette cleaning Wild crows trained to pick up butts in Swedish street project 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 Sweden uses crows to pick up cigarette butts In Sweden, group of crows are trained picking up cigarette butts off the street, cutting clean up costs by up to 75%. Cool idea, but is it possible? : r crows
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