Anser albifrons albifrons

Mathew records it from Goodwick, and one from Fishguard, Dec 1890. 

One shot Angle, 5 Nov 1929 out of two feeding in a field (Bertram Lloyd).  Five Dale, 20 Dec 1938; passes over the islands on migration, sometimes landing for a short time (R.M.L.).  Two, shot Newgale (Feb 1949 and Dec 1948)

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

More about the White-fronted Goose in Pembrokeshire