sweden crows cigarettes A machine that trades food for litter : r/Amazing Rumor that city in Sweden

Rumor that city in Sweden trained crows to pick up cigarette butts is for the birds Wild crows in sweden trained themselves to exchange cigarette butts for food, using machine deisgned YouTube Wild crows collect cigarette butts in Sweden for food rewards In Sweden, group of crows are trained picking up cigarette butts off the street, cutting clean up costs by up to 75%. Swedish firm deploys crows to pick up cigarette butts Birds The Guardian Unbox Sweden has begun training wild crows to collect litter especially cigarette butts in exchange for food rewards. A special machine recognizes when a crow drops a piece of

SKU: 33676151696 · From meijijudolehavre.com