crows picking up cigarettes Butts for nuts: can do our dirty work (and should they)? The Guardian – Crows are

The Guardian Crows 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 wild birds carry Swedens Genius Experiment: Crows Trained to Clean Up Cigarette Butts?! Crows trained to clean up cigarette butts in Sweden Reuters No Butts About It: Crows Cleaning Up Cigarettes at a French Theme Park Urbanist 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 crows carry out the task as they receive some

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