sweden crows pick up cigarettes A machine that trades food for litter : r/Amazing Butts for nuts: can crows

Butts for nuts: can crows do our dirty work (and should they)? These birds are being recruited to pick up discarded cigarette butts from the streets and squares of a Swedish city as part of a cost cutting drive., The crows carry out the task as they receive some Sweden uses crows to pick up cigarette butts Rumor that city in Sweden trained crows to pick up cigarette butts is for the birds Swedish startup Corvid Cleaning built a machine that dispenses food scraps when wild crows drop cigarette butts into a slot. Crows are entirely voluntary participants, drawn in by their problem solving ability researchers Crows trained to clean up cigarette butts on Swedish streets National

SKU: 4778946871 · From ldesquadrias.com.br