sweden crow cigarette The Guardian – Crows are being recruited to pick up discarded butts from the streets and squares of a Swedish city as part of a cost-cutting drive. The wild birds carry In Sweden, a startup tested

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 machine that trades food for litter : r Amazing 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 Crows trained to pick up cigarette butts in Sweden video Birds The Guardian A Swedish startup, Corvid Cleaning, is tackling litter by training wild crows to collect cigarette butts in exchange for food : r interesting In Sweden, a startup tested a smart but unusual idea: rewarding wild crows with food for picking up cigarette butts. The birds drop the waste into a special machine and receive a

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