crows cleaning up cigarettes Sweden startup is teaching to clean cigarette butts after stupid humans Sweden’s Genius Experiment: Crows Trained
Swedens Genius Experiment: Crows Trained to Clean Up Cigarette Butts?! No, crows aren't cleaning up cigarette butts in Sweden Popular Science A Swedish startup, Corvid Cleaning, is tackling litter by training wild crows to collect cigarette butts in exchange for food : r interesting Sounds like a good deal to me The Swedish city of Sdertlje has trained crows to collect cigarette butts in exchange for food. The intelligent birds drop discarded cigarette ends into
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