Great Black-backed Gull

An unusual visitor to the reservoir, one that is capable of turning up at any time of the year.

25/03/40 - Single bird with a pair of Herring Gulls.

15/12/57 - Single adult.

31/08/67 - Single bird.

07/03/98 - Single 1^st winter bird with 49 Lesser Black-backed Gulls. (DWH).

14/10/98 - Single adult. (AJB).

14/12/98 - 2 birds. (AJB).

23/12/01 - Single bird

26/12/03 - Single adult bird

13/08/05 - Single bird