sweden crows pick up cigarettes Wild collect cigarette butts in for food rewards Clever Crows Are Now Picking

Clever Crows Are Now Picking Up Cigarette Butts And Quietly Saving Millions in Cleaning Costs Wild crows trained to pick up cigarette butts in Swedish street cleaning project 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 Corvid Cleaning built a machine that dispenses food scraps when wild crows drop cigarette butts into a slot. Crows are entirely voluntary participants, drawn in by their problem solving ability researchers This Swedish Company is Training Crows to Pick Cigarette Butts From Streets Buzz News News18 These crows are putting humans to shame by picking up cigarette butts Euronews

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