The BBC met the team behind the fascinating project. The jack snipe is a small and secretive bird and I'm squelching through the site of a former South Staffordshire colliery trying to spot one.

Little Gull, Jack Snipe: Some of the rare migratory birds spotted by birder Amit Sharma in Gurgaon (Pics: @amits_photos) Pankaj Gupta, a seasoned birder and a member of Delhi Bird Foundation ...