sweden crows cigarettes Wild in trained themselves to exchange cigarette butts for food, using machine deisgned Crows Trained to Pick Up

Crows Trained to Pick Up Cigarette Butts by Swedish Startup 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 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 'Paid' to Pick Up Cigarette Litter in Sweden

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