Hand-reared the six rooks and trained them to collect garbage at the theme park by offering a treat for each piece of rubbish collected. Photo: Getty ImagesA French theme park has trained six rooks to pick up cigarette butts and other rubbish dropped by visitors in return for food. Research has shown hand-reared rooks to be adept at using tools in captivity to get food. Gaborit said his birds had already tried to dupe him by collecting wood shavings in place of rubbish. The birds will embark on their cleaning duties in the coming days.

Source: Otago Daily Times August 11, 2018 23:26 UTC