crow cigarette butts A Swedish company has been training crows to pick up in an effort to reduce the cost of cleaning litter off the streets in Södertälje, near Stockholm., Corvid Cleaning has developed a Crows Collect Cigarette Butts for

Crows Collect Cigarette Butts for Food in Swedish Pilot Amar Dalvi posted on the topic LinkedIn Ren Volpi (@renegvolpi): "Sweden once explored one of the strangest anti litter ideas: training crows to pick up cigarette butts. In Sdertlje, near Stockholm, a startup called Corvid Cleaning designed a machine that Swedens Corvid Cleaning tested an ingenious vending machine that trained wild crows to clean up streets! , When crows dropped discarded cigarette butts into the device, it scanned the litter and Wild crows trade cigarette butts for peanuts to keep Swedish streets clean National Post

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