crow cigarette butts Dutch Company Wants To Use Crows To Clean Up City Of dutch start-up crowded cities wants

dutch start up crowded cities wants to train crows to pick up cigarette butts 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 Clever Crows Are Now Picking Up Cigarette Butts And Quietly Saving Millions in Cleaning Costs Swedish Company Trains Crows to Pick Up Cigarette Butts No Butts About It: Crows Cleaning Up Cigarettes at a French Theme Park Urbanist

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