Pale crag martin to do so, it would cast doubts on their specific distinctness. There are several subspecies differing in plumage shade or size, although the differences are clinal, and races interbreed where their ranges meet. The pale crag martin of the nominate subspecies "P. o. obsoleta" is 12–13 cm (4.7–5.1 in) long with light brown upperparts, becoming paler on the lower back, and a short square tail that has small white patches near the tips of all but the central and outermost pairs of feathers. It has a pale grey throat, upper breast and underwing coverts, and the rest of the underparts
A Whiter Shade of Pale out that there were no time limits to copyright claims under English law. The right to future royalties was therefore returned to Fisher. Both the musicological basis of the judgment and its effect on the rights of musicians who contribute composition to future works have drawn some attention in the music world. "A Whiter Shade of Pale" was covered by Annie Lennox for her 1995 album "Medusa". It was released as the second single in May 1995 and became a top-forty hit in Europe and Canada. A Whiter Shade of Pale "A Whiter Shade of Pale" is the debut single