sweden crows pick up cigarettes A Swedish company called Corvid Cleaning is training wild in the city of Södertälje to collect cigarette butts in exchange for food rewards. The project uses a specially designed machine that A Swedish company has been

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 developed a How cool is this?! Kat Macmillan Wild crows trained to pick up cigarette butts in Swedish street cleaning project Clever Crows Are Now Picking Up Cigarette Butts And Quietly Saving Millions in Cleaning Costs Wild crows collect cigarette butts in Sweden for food rewards

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