The comedian hosts a competition between two teams made of one well-known ornithology expert and a celebrity new to the hobby, as they compete in a series of challenges, including four district birding tasks as well as two bonus campsite ones.

Contestants comedian Jeff Green, DJ Alex Zane and actors Kara Tointon and Joe Swash bumble their way around the Solway Firth, frequently scaring their targets into flight.

Bill welcomes actress Sherrie Hewson and comedian Joe Pasquale to the show. The contestants are joined by a well-known ornithology expert as they compete in a series of challenges, including four distinct birding tasks as well as two bonus campsite ones

Former Strictly Come Dancing expert Camilla Dallerup and comedian Stephen K Amos accompany Bill Bailey for a spot of birding. Which team will emerge as top twitchers?

Journalist Donal MacIntyre and broadcaster Jayne Middlemiss join host Bill Bailey for a series of ornithology challenges on the Isle of Mull.

Hygiene expert and I'm a Celebrity finalist Kim Woodburn and former editor of The Sun Kelvin MacKenzie join the comedian for a series of ornithological challenges

Actress Trudie Goodwin and presenter Josie D'Arby join Bill Bailey at Rutland Water for a series of ornithological challenges.