crow cigarette cleaning Butts for nuts: can crows do our dirty work (and should they)? Sweden uses crows to pick

Sweden uses crows to pick up cigarette butts Swedish Startup Trains Crow to Pick Up Litter in Exchange for Food In a city near Stockholm, wild crows are being trained to become street cleaners and it's turning heads around the world. A Swedish startup called Corvid Cleaning built a machine that Wild crows trained to pick up cigarette butts in Swedish street cleaning project A Swedish startup, Corvid Cleaning, developed an innovative machine that rewards crows with food when they deposit cigarette butts into a collection slot. The system is based on reward based learning, a Crows trained to clean up cigarette butts in Sweden YouTube

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