crows picking up cigarettes Wild trained to pick cigarette butts in Swedish street cleaning project In France, some crows have

In France, some crows have been trained to pick up cigarette butts on the street. The crows pick up cigarette butts and put them into a machine, where they receive food as a reward. 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 Crows trained to clean up cigarette butts on Swedish streets National Wild crows trained to pick up cigarette butts in Swedish street cleaning project South China Morning Post Crows pick up cigarette butts: Dutch startup training birds to pick up litter for food TomoNews

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