crows collecting cigarettes Swedish Company Trains to Clean Up 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 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 Crows trained to clean up cigarette butts in Sweden YouTube Crows collect cigarette butts for food in Sweden

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