Anthus trivialis trivialis
Fairly common summer resident, but not breeding on exposed western coast. Breeds in the wooded Cleddau valeys, including Benton Woods. More numerous in the easern hills. Scarce on passage on the islands.
R.M.Lockley, G.C.S.Ingram, H.M.Salmon, 1949, The Birds of Pembrokeshire, The West Wales Field Society