sweden crow cigarette In Sweden, a startup tested a machine that rewards crows with food every time they drop butts into it. The idea sounds unbelievable, but the goal was simple: turn one of In a city near Stockholm,

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 Watch: Wild crows trained to clear cigarette butts from streets in Stockholm, Sweden Did You Know? In Sweden, clever crows learned to exchange discarded butts for food. In 2022, a startup called Corvid Cleaning tested the unusual idea in Sdertlje, a city near Stockholm. Unbox Sweden has begun training wild crows to collect litter especially cigarette butts in exchange for food rewards. A special machine recognizes when a crow drops a piece of

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