The Pious Bird of Good Omen is a compilation album by Fleetwood Mac, released in 1969. It consisted of the first four UK singles and their B-sides, two other tracks from their previous two albums, and two tracks by blues artist Eddie Boyd with backing by members of Fleetwood Mac. These two tracks came from Boyd's album 7936 South Rhodes.The title of the album is a phrase found in an 1817 gloss (marginal note) to Samuel Taylor Coleridge's 1798 epic poem The Rime of the Ancient Mariner.