crows picking up cigarettes 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, Clever Crows Are Now Picking

Clever Crows Are Now Picking Up Cigarette Butts And Quietly Saving Millions in Cleaning Costs Crows trained to pick up cigarette butts in Sweden YouTube Latest Attraction at French Theme Park: Crows That Pick Up Trash The New York Times A Swedish company has been training crows to pick up cigarette butts in an effort to reduce the cost of cleaning litter off the streets in Sdertlje, near Stockholm. Corvid Cleaning has Watch: Crows trained to collect cigarette butts in French theme park Wild crows trained to pick up cigarette butts in Swedish street cleaning project South China Morning Post

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