crow cigarette cleaning A Swedish startup, Corvid Cleaning, is tackling litter by training wild crows to collect butts in exchange for food : r/interesting Butts for nuts: can crows

Butts for nuts: can crows do our dirty work (and should they)? 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 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 up to 75%, but has Sweden startup is teaching crows to clean up cigarette butts after stupid humans Wild crows trained to pick up cigarette butts in Swedish street cleaning project

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