crow cigarette cleaning Sweden’s Corvid tested an ingenious vending machine that trained wild crows to clean up streets! 🐦🚬, When crows dropped discarded butts into the device, it scanned the litter and A Swedish start-up, Corvid Cleaning,

A Swedish start up, Corvid Cleaning, is recruiting an unlikely workforce, wild crows, to combat urban pollution., The pilot project, launched in partnership with the Keep Sweden Tidy Foundation, 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 A Swedish company has been training crows to pick up cigarette butts in an effort to reduce the cost of cleaning litter off the streets in Sdertlje, near Stockholm. Corvid Cleaning has Crows to help clean up cigarette butts in Sweden

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