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

Crows trained to clean up cigarette butts on Swedish streets National Dutch Startup Wants to Train Crows to Clean Streets of Cigarette Butts Swedish Company Trains Crows to Clean Up Cigarette Butts EcoWatch 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 In Sweden, group of crows are trained picking up cigarette butts off the street, cutting clean up costs by up to 75%.

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