Mergellus albellus – Lleian Wen – Scarce winter visitor. Not recorded from April to September
Earlier records are summarised in Smew 1994
1992 – Redhead at Llys-y-Fran Reservoir, 15-29 March
1996 – Single red-heads at Carew Millpond 25 February and Llys-y-fran 23-28 Dec
1997 – Singles at Llys-y-fran 2-11 Jan, Bicton Reservoir 18 Jan – 15 Feb, 2 Carew Millpond 1Jan, up to 4 on Pembroke Millpond 12 – 26 Jan. All were red-heads.
1998 – Male Rosebush Reservoir 7-13 Feb (WC et al), redheads Bosherston 23-27 Mar (RE, RJH. AW) and Teifi Marshes 4 Dec (DR)
1999 – Single redheads Landshipping 1-23 Jan (DJA et al) and Little Milford 28 Dec (TJP)
2000 – Redhead Heathfield G P 26 Jan (CB).
2001 – Redhead Heathfield G P 4 Dec (M-YP).
2003 – Redhead Bosherston 14 – 31 Dec (DJA et al).
2004 – Redhead Bosherston Jan – 9 Mar (PKG, TJP, AR).
2005 – Redhead Bosherston 2 Jan – 25 Feb (DJA, AEC, et al)
2013 – A single female at Bentlass on 21st Jan was the only record (CH).
Records extracted from the Pembrokeshire Bird Reports