crows cleaning up cigarettes Wild trained to pick cigarette butts in Swedish street project A machine that trades food

A machine that trades food for litter : r Amazing 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 Crows to help clean up cigarette butts in Sweden Sweden has begun training wild crows to collect litter especially cigarette butts in exchange for food rewards. Tim Wass Sweden uses crows to pick up cigarette butts Clever Crows Are Now Picking Up Cigarette Butts And Quietly Saving Millions in Cleaning Costs

SKU: 12030332947 · From ldesquadrias.com.br