crows picking up cigarettes Clean City Streets by Collecting Cigarette Butts Sweden trains crows to pick

Sweden trains crows to pick up butts Travel Blog TravelGumbo A pilot program was implemented in Sdertlje, Sweden, to train wild crows to pick up cigarette butts from the streets. The initiative was developed by the Swedish startup Corvid Cleaning. The system Swedish firm deploys crows to pick up cigarette butts Birds The Guardian Crows trained to clean up cigarette butts in Sweden YouTube Good birdie! This box trains crows to collect cigarette butts for cleaner cities Digital Trends 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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