Turdus merula merula

A common resident.  Breeds Skomer, Ramsey and Caldey, irregularly on Skokholm.  Numbers increase in autumn and winter.

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

More about the Blackbird in Pembrokeshire