sweden crows cigarettes Wild in trained themselves to exchange cigarette butts for food, using machine deisgned Crows trained to clean up

Crows trained to clean up cigarette butts in Sweden YouTube Crows trained to clean up cigarette butts in Sweden Reuters 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, A Swedish startup, Corvid Cleaning, is tackling litter by training wild crows to collect cigarette butts in exchange for food : r interesting

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