Circus pygargus

Has bred in the county since 1924 and possibly for twenty years earlier.  Mathew records a nest at Leweston in 1854 as only known occurrence.

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

More about the Montagu’s Harrier in Pembrokeshire