Aegithalos cuadatus rosaceus

Common resident in woods and copses even in the extreme west.  Some diminution after winter 1946/47, but still fairly common 1948.

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

More about the Long-tailed Tit in Pembrokeshire