Dipper
12/06/26 - Single bird
09/11/58 - Single bird flying over the reservoir
29/11/62 - Single bird
15/12/84 - Single bird flying over the reservoir
14/03/87 - Single bird flying high, towards the reservoir from the canal culvert
13/01/14 - Single bird stayed for a few minutes on a raft (local streams very full at the time)