crow cigarette cleaning A Swedish startup, Corvid Cleaning, is tackling litter by training wild crows to collect butts in exchange for food : r/interesting Sweden's testing a literal crow-powered

Sweden's testing a literal crow powered cleaning machine A Swedish startup has trialed a vending machine style setup where crows can drop in cigarette butts and get food in return, basically training them 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. In Sweden, a startup called Corvid Cleaning tested a pilot machine designed to train crows to collect cigarette butts and exchange them for small food rewards. Corvids: the bird family that includes CROWS Clean Up City Streets by Collecting Cigarette Butts Recycling Council of Alberta Crows to help clean up cigarette butts in Sweden

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