https://www.btimesonline.com/articles/153515/20220202/startup-company-in-sweden-training-crows-to-pick-up-discarded-cigarette-butts.htm
Startup Company In Sweden Training Crows To Pick Up Discarded Cigarette Butts
Feb 2, 2022 - A startup company in Sweden has launched a pilot program in Södertälje, which teaches crows to pick up discarded cigarettes butts in exchange for food.
crows to pickstartup companyin swedencigarette buttstraining