crows collecting cigarettes Clean Up City Streets by Cigarette Butts Crows trained to clean up

Crows trained to clean up cigarette butts on Swedish streets National This is crazy. What do you think? Sweden built machines where crows trade cigarette butts for food In Sweden, an innovative project is training crows to help clean city streets. Special 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 SWEDEN IS REWARDING CROWS WITH FOOD FOR CLEANING UP CIGARETTE BUTTS! In Sdertlje, Sweden, a startup called Corvid Cleaning is testing a clever idea: training crows to collect cigarette butts off the Fighting litter with crows : r gifs In Sweden, Crows Are Learning to Pick and Dispose of Cigarette Butts Properly The Swaddle

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