crow cigarette butts In Sweden, Crows Are Learning to Pick and Dispose of Properly Crows trained to pick up

Crows trained to pick up cigarette butts in Sweden YouTube No Butts About It: Crows Cleaning Up Cigarettes at a French Theme Park Urbanist In Sweden, a startup tested a machine that rewards crows with food every time they drop cigarette butts into it. The idea sounds unbelievable, but the goal was simple: turn one of A Swedish startup, Corvid Cleaning, is tackling litter by training wild crows to collect cigarette butts in exchange for food : r interesting Crows help to clean up cigarette butts in several countries

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