Parus atricapillus kleinschmidti

Unknown in Mathew’s day.  The only records are of a nest near Haverfordwest in 1925 (W.M.Congreve British Birds XIX,96), and one singing Clarbeston 8 Aug 1939 (Bertram Lloyd, British Birds XXXIV, 221).

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

More about the Willow Tit in Pembrokeshire