Falco peregrinus peregrinus

Maximum number of eyries which could be occupied in one year probably 35.  Average number of occupied eyries pre-World War II probably 25-28.  During the war it was persecuted and is now less numerous (about 18 pairs in 1947)

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

More about the Peregrine in Pembrokeshire