crows collecting cigarettes Dutch Startup Wants to Train to Clean Streets of Cigarette Butts Corvid Cleaning developed a machine

Corvid Cleaning developed a machine that encourages wild crows to collect litter. The birds drop cigarette butts into the slot and get food in return. No cages, no forced training the Crows collecting cigarette butts for little treats In Sweden, Crows Are Learning to Pick and Dispose of Cigarette Butts Properly The Swaddle 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 Wild crows in sweden trained themselves to exchange cigarette butts for food, using machine deisgned YouTube

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