crows collecting cigarettes Sweden uses to pick up cigarette butts Crows trained to clean up

Crows trained to clean up cigarette butts on Swedish streets National Corvid Cleaning developed a machine that encourages wild crows to collect litter. The birds drop cigarette butts into the slot and get food in return. No cages, no forced training the Swedens Corvid Cleaning tested an ingenious vending machine that trained wild crows to clean up streets! , When crows dropped discarded cigarette butts into the device, it scanned the litter and In Sweden, Crows Are Learning to Pick and Dispose of Cigarette Butts Properly The Swaddle The Guardian Crows 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 wild birds carry Wild crows in sweden trained themselves to exchange cigarette butts for food, using machine deisgned YouTube

SKU: 83100333996 · From condeoeiras.edu.pt