crows collecting cigarettes In Sweden, Are Learning to Pick and Dispose of Cigarette Butts Properly What if keeping the streets

What if keeping the streets clean could earn a reward? In Sweden, a fascinating initiative has explored training crows to collect cigarette butts and other small pieces of litter in exchange for In Sweden, a startup tested a smart but unusual idea: rewarding wild crows with food for picking up cigarette butts. The birds drop the waste into a special machine and receive a Crows collect cigarette butts in Sweden for food reward Butts for nuts: can crows do our dirty work (and should they)?

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