crow cigarette cleaning A Swedish startup called Corvid 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 Swedish Startup Trains Crow to

Swedish Startup Trains Crow to Pick Up Litter in Exchange for Food Trained crows have slashed city cleaning costs by 75%. A Swedish startup named Corvid Cleaning launched a pilot program in Sdertlje, training wild crows to collect cigarette butts in exchange for food 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, Crows trained to clean up cigarette butts in Sweden YouTube

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