crows picking up cigarettes In Sweden, group of are trained cigarette butts off the street, cutting clean-up costs by up to 75% Sweden uses crows to pick

Sweden uses crows to pick up cigarette butts 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 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 Crows Collect Cigarette Butts in Sweden for Peanuts Sima A. posted on the topic LinkedIn

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