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 Sweden's testing a literal crow-powered

Sweden's testing a literal crow powered cleaning machine A Swedish startup has trialed a vending machine style setup where crows can drop in cigarette butts and get food in return, basically training them Swedish firm deploys crows to pick up cigarette butts Birds The Guardian The Swedish startup "Corvid Cleaning," based in Sdertlje, developed a smart device to train wild crowsspecifically New Caledonian crows, known for their intelligenceto collect litter, especially cigarette butts, in exchange for food A pilot program in Sweden trained wild crows to drop cigarette butts into a machine in exchange for food. Run by startup Corvid Cleaning, it aimed to cut litter clean up costs by Dutch Startup Wants to Train Crows to Clean Streets of Cigarette Butts

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