crow cigarette butts A machine that trades food for litter : r/Amazing Crows trained to pick up

Crows trained to pick up cigarette butts in Sweden YouTube In Sweden, a startup tested a machine that rewards crows with food every time they drop cigarette butts into it. The idea sounds unbelievable, but the goal was simple: turn one of Crows Help Clean Up Cigarette Butts with Reward System Dr. Omics Research and Education Private Limited posted on the topic LinkedIn Cool idea, but is it possible? : r crows Crows pick up cigarette butts: Dutch startup training birds to pick up litter for food TomoNews

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