sweden crow cigarette Wild crows collect butts in for food rewards Swedish Company Trains Crows to

Swedish Company Trains Crows to Pick Up Cigarette Butts Crows 'Paid' to Pick Up Cigarette Litter in Sweden Rumor that city in Sweden trained crows to pick up cigarette butts is for the birds Crows Trained to Pick Up Cigarette Butts by Swedish Startup The Swedish have wild drone tech : r BirdsArentReal 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.

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