Clangula hyemalis – Hwyaden Gynffon-hir – Winter visitor and passage migrant. Not recorded in August and September
Previous records of long-tailed ducks are summarised in Long-tailed Duck -2011
- 2012 – 1 female at Bosherston on the 10-15th November
- 2012 – 1 female from 5th December into 2013 off Wiseman’s Bridge (possibly same as above).
- 2013 – 1 female Wiseman’s Bridge 4 Jan – 27 March (same as above)
- 2013 – 1 drake Haroldston – 23 Feb (DJA)
- 2014 – 1 imm Bosherston 23 Nov – Dec 30
- 2016 – 1 Skomer 20 October
- 2016 – 1 Gann 20 Nov (Gary ?)
- 2016 – 1 1st winter drake, Coppet Hall – Wiseman’s Bridge – 22-24 Dec (Toby Phelps)
- 2016 – 1 Pen Caer – mid Dec.
- 2017 – 1 female Pen Caer – 4 Jan (first seen two weeks ago) to 3rd March (RD) (same as above)
- 2019 – 1 Pembroke Castle Pond 1-3 Nov
- 2019 – 1 Llys-y-fran 8 Nov
- 2019 – 1 Skokholm – 2 on 2nd Dec (3rd Skokholm record)
- 2019 – 2 Broad Haven, pair amongst the scoter flock, 2nd Dec to end of year (probably same as above)
- 2020 – up to two off Broad Haven (N) 1 Jan – 22 Mar,
- 2020 – one off St. Brides 11 Sept,
- 2020 – a female Fishguard Harbour 19 Nov – end of the year
- 2020 – a female off Amroth 23 Dec
Records extracted from the Pembrokeshire Bird Sightings Blog and the Pembrokeshire Bird Reports
