Common Gull
A regular winter visitor to the reservoir, often in small numbers, mingling with the more abundant Black-headed Gulls.
17/12/63 - 3 birds
13/02/64 - 9 birds
24/01/65 - 20 birds
11/11/65 - 41 birds
04/12/66 - 14 birds
12/03/70 - 150 birds
19/03/70 - 200 birds (DEP)
1971 - Up to 20 birds during March & November-December
22/12/91 - 8 birds
08/12/92 - 25 birds
27/01/93 - 87 birds
24/12/94 - 8 birds
14/01/95 - 8 birds
02/02/96 - 20 birds
28/11/96 - 39 birds
06/12/97 - 19 birds
??/11/98 - 4 birds
11/12/98 - 10 birds
19/11/99 - 5 birds
03/12/99 - 7 birds
30/12/00 - 7 birds
28/01/01 - 22 birds
25/12/01 - 12 birds
24/12/02 - 5 birds
11/01/03 - 10 birds
24/10/03 - 15 birds (regularly up to 5 or 6 durng the year)
10/01/04 - 8 birds
09/03/04 - 8 birds
12/02/05 - 16 birds
15/02/05 - 23 birds
18/02/05 - 30 birds
04/03/05 - 44 birds
16/12/05 - 26 birds
12/11/06 - 8 birds
06/12/06 - 8 birds
05/02/07 - 5 birds and 5 again on 07/05
04/02/08 - 10 birds and then 13 birds on 06/02 and 12 birds 22/02
20/01/09 - 44 birds
03/02/10 - 25 birds
21/12/11 - 26 birds, otherwise small numbers (usually single figures) in the winter months
2012 - Best numbers in January with 44 on 22/01, 30+ on 23/01 and 31 on 27/01
2013 - Mainly small numbers in winter with max of 17 on 31/01
2014 - Mainly small numbers in winter with max of 10 on 19/12. None in the summer months.
2015 - Mainly small numbers in winter with max of 53 on 28/01, also 35 on 26/01 and 30-40 on 01/04. None in the summer months.
2016 - Small numbers regularly through the winter months, but an exceptional 350+ on 07/04 was a record count (KGH). None had been seen in the 3 weeks previous to this invasion and only 3 remained the following day.
2017 - Recorded on 30 dates in January, February and March, usually 1-4, but 12+ on 14/03
2018 - Recorded on 21 winter dates plus one on 24/08. Max 21 birds on 01/02
2019 - Recorded on 25 winter dates with March maximum of 48 on 05/03 and year maximum of 61 on 02/04. None from May to September
2020 - Recorded on 19 winter dates usually in single figures but with max of 103 on 20/03 and then none in the following week
2021 - Only recorded on 7 winter dates with max of c.12 on 16/01
2022 - Recorded on 15 dates. Max of 46 on 22/03 and 40+ on 31/03. also 37 on 05/04. An out of season record of 1 on 15/08.
2023 - Only recorded on 5 dates with ones or twos apart from 110+ on 06/02