sweden crows cigarettes Anneka 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 Crows to help clean up cigarette butts in Sweden Crows 'Paid' to Pick Up Cigarette Litter in Sweden Wild crows trade cigarette butts for peanuts to keep Swedish streets clean National Post Wild crows in sweden trained themselves to exchange cigarette butts for food, using machine deisgned YouTube Unbox Sweden has begun training wild crows to collect litter especially cigarette butts in exchange for food rewards. A special machine recognizes when a crow drops a piece of

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