Aythya collaris – Hwyaden Dorchog – Vagrant
Earlier records are summarised in Ring-necked Duck 1994
2000 – Female Skomer 1-2 May (JGB et al); 1st w female Penberi Res 11 Nov – 14 Dec (PKG, LL, OR et al). (1st year female, 16-17 October, Bosherston – record from the Welsh bird Report)
2001 – 1st w female Heathfield G P from 20-27 Jan, when it was joined by an ad male and 2 ad females. All remained until 16 Mar. The original female was seen on 17 Mar, access was then curtailed by foot and mouth precautions until 13 Aug, when she was still present, remaining until 15 Sept, absent then until reappearing on 21 Oct and staying until the end of the year. (SEB, M-YP et al).
2002 – The long staying female, which first appeared on 20 Jan 2001, was present at Heathfield G.P. Jan – 10 Apr (MY-P et al) and a female at Marloes Mere 10 Apr (KJSD, SD) was possibly the same bird.
2008 – A male at Bosherston on 30 Nov (DM) was the only record.
2010 – A female was photographed at Bosherston on 24th Feb, but not identified until the 28th, it remained there until 6th Mar (LL, WJ, DJ).
2011 – The returning female was present at Bosherston from 8th Jan until last reported on 24th Mar (DJA).
2012 – an immature male on North Pond, Skomer, from the 8 – 15th November, Relocated at Marloes Mere on the 28th, again remaining until the spring.
2013 – The male from 2012 was still present at Marloes Mere well into 2013, the last reported date being 26th Apr. (CH, DG et al)
2019 – Immature male first seen on Skokholm 20 Nov (R. Brown, G. Eagle), then at Marloes Mere 27 Dec until the end of the year (DJ Astins, B. Southern et al).
2020 – Immature male first seen on Skokholm 20 Nov 2019, then at Marloes Mere until 5 Jan, again there 5 Feb, then on an irrigation pond at St. Brides 8 – 15 Feb.
Records extracted from the Pembrokeshire Bird Reports, which may contain more detail than shown here.