Scientific: Botaurus stellaris

Cymraeg: Aderyn y Bwn

An irregular winter visitor, often in hard weather; mostly to coastal marshes.

1982
1, during January, February, with 2, end of March, Witchett Pool.

1983
1, Witchett Pool, 19 February & 6 March.

1984
2, Witchett Pool, January-February ; 1, Pilroath, Llangain, 14 January; 1, River Teifi, below Lampeter (joint county), 27 January.

1985
1, Witchett Pool, 20 January; from 22 November-end December.

1986
Singles, Witchett Pool, January, then November-December; River Teifi, below Lampeter (joint county), February.

1987
1, Witchett Pool, January and 15 March where earlier in March, heard “booming”. 1 “booming”, Llangennech, Marsh.

1988
Single, Witchett Pool, 16 November – end December; River Gwendraeth Fawr, Pontnewydd, 28 December.

1989
Singles, Witchett Pool, January/February; River Gwendraeth Fawr, Pontnewydd, 5 October; Ffrwd Nature Reserve 26 November – 26 December; River Tywi, Abermarlais, Llangadog, 5 December.

1990
Singles, near Ffrwd Nature Reserve 16th; near Carway, 20 January; Witchett Pool, January/February and 6 November; Penclacwydd WWT, 12 December.

1991
Single, Witchett Pool, January; Ashpits Pond, Burry Port 6 January.

1992
Witchett Pool: 1 on 19th January and 6th February. Penclacwydd: 1 on 6th November. A good year considering the mildness of both winter periods.

1993
There were two records. Penclacwydd: 1 on 20th November and Witchett Pool: 1 on 22nd November and 1st to 2nd December.

1994
One wintered at Penclacwydd, being seen on 23rd Jan, 17th – 26th February and 18th March and single birds were at Witchett Pool on 1st January, 9th March and 15th October. As in the previous 2 years all records were from these two sites.

1995
All records were from the Witchett Pool with 1 on 2nd January, 2 on 12th February and singles on 7th November and 10th December.

1996
There were 7 records at 3 sites. In the early winter period there were 2 at Witchett Pool on 11th February and 1 on 1st and 20th March and 1 at Penclacwydd in March.

The second winter period saw 1 at Witchett Pool on 26th November and 2 on 4th December and 1 at Ffrwd Fen also on 4th.

1997
The only record was of 1 at Witchett Pool on 10th – 11th March.

2000
There were 2 records of singles at Penclacwydd from 20th January – 21st February and Witchett Pool on 1st October.

2001
At Penclacwydd. in the Millennium reedbed, one was seen on the 5th May. A bird was at Dinefwr Ponds on 30th August.

2002
The first bird of the year was discovered at Pembrey Country Park Pond on 9th January, where it was filmed. It was almost certainly this one that was seen two days later in the same place. On 11th January also, one was observed clambering among reeds of a pond to the east of Machynys Pond. The last report concerned a bird at Penclacwydd on 23rd December.

2004
Penclacwydd December 28th & 31st.

2005
Penclacwydd January 1st – February 17th. Another there November 13th –27th when there were 2 until December 4th . One found dead at Gelliglyd, Pontantwn in February and another live bird Ashpits Pond in November.

2006
Single Penclacwydd January 15th – March 15th, another Coed Bach, Kidwelly February 19th and up to 2 Penclacwydd November 15th – December 15th.

2007
Two at Penclacwydd February 12th. Later in the year a single was present from October 24th until the end of the year.