VIDEO: Six crows specially trained to pick up cigarette butts and rubbish in return for food rewards have been to work at a French historical theme park pic.twitter.com/Dng68PhEvE— AFP news agency (@AFP) August 15, 2018
VIDEO: Six crows specially trained to pick up cigarette butts and rubbish in return for food rewards have been to work at a French historical theme park pic.twitter.com/Dng68PhEvE