crows picking up cigarettes In Sweden, Are Learning to Pick and Dispose of Cigarette Butts Properly In Sweden, a startup tested

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 Can Animals Be Trained to Become City Cleaners? Pop Up City Birds in France trained to pick up cigarette butts in exchange for food indy100 Here's A (Crazy?) Plan To Bribe Crows To Clean Up Cigarette Butts Fast Company Crows take a cigarette break Crows trained to clean up cigarette butts in Sweden Reuters

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