sweden crows cigarettes These birds are being recruited to pick up discarded cigarette butts from the streets and squares of a Swedish city as part of a cost-cutting drive., The carry out the task as they receive some René Volpi (@renegvolpi): "Sweden once

Ren Volpi (@renegvolpi): "Sweden once explored one of the strangest anti litter ideas: training crows to pick up cigarette butts. In Sdertlje, near Stockholm, a startup called Corvid Cleaning designed a machine that Wild crows in sweden trained themselves to exchange cigarette butts for food, using machine deisgned YouTube Swedish Company Trains Crows to Pick Up Cigarette Butts Sweden uses crows to pick up cigarette butts Crows trained to pick up cigarette butts in Sweden

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