crow cigarette cleaning Crows in Sweden help clean streets by exchanging trash for food This Swedish Company is Training

This Swedish Company is Training Crows to Pick Cigarette Butts From Streets Buzz News News18 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 Swedish Startup Trains Crow to Pick Up Litter in Exchange for Food In a city near Stockholm, wild crows are being trained to become street cleaners and it's turning heads around the world. A Swedish startup called Corvid Cleaning built a machine that

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