Phoenicurus ochrurus gibraltariensis

Regular winter visitor, chiefly from Sept to Nov and March-April, but also seen Dec, Jan, and Feb.  Principally on the islands and in sheltered bays along the whole coast.  Fifty at Skokholm at one time during March 1948.

R.M.Lockley, G.C.S.Ingram, H.M.Salmon, 1949, The Birds of Pembrokeshire, The West Wales Field Society

More about the Black Redstart in Pembrokeshire