Balearic Shearwater Puffinus mauretanicus

Breeds on islands in the western Mediterranean and moves to offshore waters in Britain and southwest Europe mainly in late summer and autumn. Small, stiff-winged seabird often found in association with Manx Shearwater, which is similar in size and shape. Balearic is dark brown above, dingy pale brownish below, usually with white belly, but lacks strongly contrasting black-and-white pattern of Manx.