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(Natural News) A new Dutch startup called “Crowded Cities” is training crows to recognize and pick up cigarette butts in exchange for treats, effectively cleaning up the city streets and parks. The crows would drop the cigarette butts into a “Crowbar” device, which then scans the piece of litter to confirm that it is a... |
Clever solution: Crows are cleaning city streets – a Dutch startup is training them to pick up cigarette butts in exchange for treats
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