Acrocephalus scirpaceus scirpaceus
Four records: one, Smalls Lighthouse, 17 Oct, 1908 (Pract.Handbook); one singing St David's, 30 May 1929 (H.A.Gilbert and J.Walpole-Bond); one singing, Tenby marsh, 1-4 June 1931 (Bertram Lloyd); one ringed on Skokholm, 1 June 1947.
R.M.Lockley, G.C.S.Ingram, H.M.Salmon, 1949, The Birds of Pembrokeshire, The West Wales Field Society