Birds Britannica is a book by Mark Cocker and Richard Mabey, about the birds of the United Kingdom, and a sister volume to Mabey's 1996 Flora Britannica, about British plants. It was published in 2005 by Chatto & Windus. According to the project's official website: It covers cultural links; social history; birds as food; ecology; the lore and language of birds; myths, art, literature and music; anecdotes, birdsong and rare facts; modern developments; migration, the seasons and our sense of place.