crows picking up cigarettes In Sweden, group of are trained cigarette butts off the street, cutting clean-up costs by up to 75% What if keeping the streets

What if keeping the streets clean could earn a reward? In Sweden, a fascinating initiative has explored training crows to collect cigarette butts and other small pieces of litter in exchange for Wild crows trained to pick up cigarette butts in Swedish street cleaning project Clever Crows Pick up Cigarette Butts in Sweden in Exchange for Rewards 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 developed a

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