Red-throated Diver - 1949

Colymbus stellatus

Common winter visitor, especially in Milford Haven.  Frequent at sea near coast and islands.  A group of twenty seen drifting north off west coast 21-25 April 1930 and fifteen off Giltar Point, 21 April 1930 (Bertram Lloyd)

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