Anas penelope
Common winter visitor, by far the most numerous of the ducks in the autumn. Ove one thousand present at Orielton Decoy, Jan/Feb 1939. One seen Dowrog |Pool, June 1924 (H.M.S.)
R.M.Lockley, G.C.S.Ingram, H.M.Salmon, 1949, The Birds of Pembrokeshire, The West Wales Field Society