Phylloscopus bonelli ?sub sp.

A female was trapped at Slokholm on 31 August 1948.  It was sent to the Yorkshire Museum for identification by R Wagstaffe.  This is a new species for the British Bird List.  Although breeding in south and east France, it rarely wanders northwards.

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

More about the Bonelli’s Warbler in Pembrokeshire