| 28/12/17 | Common Gull | New workings, Moor Green Lakes | 2 | R F Milligan |
11:28
| Ads, at the main lake. Please only view from the public footpath. |
| 25/12/17 | Common Gull | Lower Farm GP | 3 | N Cleere |
| |
| 21/12/17 | Common Gull | Lea Farm Lake | 3 | R Marsh |
| |
| 17/12/17 | Common Gull | Bray GPs | 3 | S A Graham |
08:45
| |
| 17/12/17 | Common Gull | Dorney Wetlands, Jubilee River | 3 | B J Hollands |
| With Black-headed Gulls. |
| 13/12/17 | Common Gull | Prospect Park | 5 | A V Lawson |
| |
| 09/12/17 | Common Gull | Wraysbury GPs | 3 | S K Proddow |
11:00
| |
| 09/12/17 | Common Gull | Lower Farm GP | 4 | N Cleere |
| ad. including 1 larger, dumpier individual (hybrid?). |
| 06/12/17 | Common Gull | Lower Farm GP | 1 | B Lyle |
15:00
| |
| 06/12/17 | Common Gull | White Swan Lake, Dinton Pastures CP | 3 | R Marsh |
| |
| 04/12/17 | Common Gull | New workings, Moor Green Lakes | 1 | R F Milligan |
09:58
| Ad, main lake. Please only view from the public footpath. |
| 01/12/17 | Common Gull | White Swan Lake, Dinton Pastures CP | 2 | R Marsh |
| 3 more seen at Lea Farm GP. |
| 29/11/17 | Common Gull | New workings, Moor Green Lakes | 1 | R F Milligan |
11:15
| Ad, main lake. Please only view from the public footpath. |
| 26/11/17 | Common Gull | Englefield | 1 | J C Morgan |
10:00
| |
| 24/11/17 | Common Gull | New workings, Moor Green Lakes | 7 | R F Milligan |
10:25
| Ads, main lake island. Please only view from the public footpath. |
| 23/11/17 | Common Gull | Lavell's Lake, Dinton Pastures CP | 2 | R Marsh |
| Flew over. |
| 21/11/17 | Common Gull | Lea Farm Lake | 1 | R Marsh |
| |
| 20/11/17 | Common Gull | New workings, Moor Green Lakes | 1 | R F Milligan |
12:00
| Ad, flew across the diggings, W to E.
All sightings after 09:01, s/w GD&TR. Please only view from the public footpath. |
| 17/11/17 | Common Gull | Mill Pond, Bracknell | 2 | M Hunt |
| |
| 16/11/17 | Common Gull | Lea Farm Lake | 2 | R Marsh |
| |
| 13/11/17 | Common Gull | Lea Farm Lake | 2 | R Marsh |
| |
| 13/11/17 | Common Gull | New workings, Moor Green Lakes | 2 | R F Milligan |
11:26
| Ads, sand island, main lake. Please only view from the public footpath. |
| 12/11/17 | Common Gull | Horton GPs | 72 | K G White |
11:30
| seen as part of a WeBS training session;. TQ012746. |
| 08/11/17 | Common Gull | Black Swan Lake, Dinton Pastures CP | 1 | P E Hutchins |
09:45
| ad w/p. Amongst the 00's of Black-headed Gull off the sailing club. |
| 08/11/17 | Common Gull | Whiteknights Park, Reading | 3 | P Driver |
02:20
| |
| 07/11/17 | Common Gull | Lea Farm Lake | 3 | R Marsh |
| |
| 06/11/17 | Common Gull | New workings, Moor Green Lakes | 3 | R F Milligan |
11:50
| Ads, sand island, main lake. Please only view from the public footpath. |
| 03/11/17 | Common Gull | New workings, Moor Green Lakes | 4 | R F Milligan |
11:50
| Ads, main lake. Please only view from the public footpath. |
| 01/11/17 | Common Gull | New workings, Moor Green Lakes | 4 | R F Milligan |
11:50
| Ads, main lake. Please only view from the public footpath. |
| 25/10/17 | Common Gull | White Swan Lake, Dinton Pastures CP | 2 | R Marsh |
| |
| 24/10/17 | Common Gull | Emmbrook | 3 | P O'Neill |
17:30
| ad. With 3 Herring Gull and 8 Black-headed Gull in recently ploughed field at Old Forest Road Meadows. |
| 24/10/17 | Common Gull | Lea Farm Lake | 1 | R Marsh |
| |
| 22/10/17 | Common Gull | Lea Farm Lake | 1 | R Marsh |
| |
| 01/10/17 | Common Gull | Lower Farm GP | 1 | B Lyle |
15:00
| 1st w. |
| 30/09/17 | Common Gull | Lower Farm GP | 1 | J E Andrews |
13:00
| 1w. |
| 26/09/17 | Common Gull | Englefield | 1 | R Crawford |
17:30
| |
| 31/08/17 | Common Gull | Queen Mother Reservoir | 1 | D J Barker |
08:00
| ad. Key holders only. |
| 31/08/17 | Common Gull | Sindlesham | 1 | P O'Neill |
08:30
| ad. With 20 Black-headed Gulls on Wokingham Cricket Club pitch. |
| 27/07/17 | Common Gull | Lea Farm Lake | 1 | P Scudamore |
16:00
| Adult in SW corner, left soon after heavy rain shower, which probably brought it down. Found by ABT. |
| 17/07/17 | Common Gull | Queen Mother Reservoir | 1 | P J Newbound |
14:00
| Key holders only. |
| 17/03/17 | Common Gull | New workings, Moor Green Lakes | 3 | R F Milligan |
11:08
| Main lake. Please only view from the public footpath. |
| 13/03/17 | Common Gull | New workings, Moor Green Lakes | 31 | R F Milligan |
10:56
| Main lake. Please only view from the public footpath. |
| 09/03/17 | Common Gull | White Swan Lake, Dinton Pastures CP | 4 | R Marsh |
| |
| 07/03/17 | Common Gull | Prospect Park | 4 | A V Lawson |
| |
| 21/02/17 | Common Gull | Purley on Thames, Reading | 30 | M J Smith |
| 7 at Mapledurham lock and 23 upstream where the Sul brook meets Thames, larger group washing and feeding just under the surface - sign of migration? |
| 21/02/17 | Common Gull | New workings, Moor Green Lakes | 42 | R J Godden |
10:30
| Please only view from the public footpath. |
| 17/02/17 | Common Gull | New workings, Moor Green Lakes | 65 | R F Milligan |
10:15
| Main Lake. Please only view from the public footpath. |
| 15/02/17 | Common Gull | Lea Farm Lake | 2 | R Marsh |
| |
| 14/02/17 | Common Gull | Lower Farm GP | 1 | N Cleere |
| ad. |
| 11/02/17 | Common Gull | Purley on Thames, Reading | 2 | M J Smith |
| Mapledurham lock on Thames bank. |
| 08/02/17 | Common Gull | Lower Farm GP | 12 | B Lyle |
15:00
| |
| 07/02/17 | Common Gull | Lower Farm GP | | N Cleere |
| 5+. |
| 07/02/17 | Common Gull | Lea Farm Lake | 2 | R Marsh |
11:00
| |
| 05/02/17 | Common Gull | Prospect Park | 1 | G Sumner |
16:00
| With BH Gull flock at pond . |
| 03/02/17 | Common Gull | Lea Farm Lake | 6 | R Marsh |
11:00
| |
| 01/02/17 | Common Gull | Horseshoe Lake, Sandhurst | 2 | M Hunt |
11:25
| |
| 28/01/17 | Common Gull | Fobney Meadow | 1 | R Richardson |
11:30
| |
| 27/01/17 | Common Gull | Whiteknights Lake, Reading | 3 | R Richardson |
11:00
| On the ice in amongst black-headed gulls. |
| 26/01/17 | Common Gull | Lower Farm GP | | N Cleere |
| 25+. |
| 25/01/17 | Common Gull | Lower Farm GP | 6 | B Lyle |
16:00
| at least. |
| 23/01/17 | Common Gull | Horseshoe Lake, Sandhurst | 5 | R F Milligan |
11:00
| AW. |
| 17/01/17 | Common Gull | Horseshoe Lake, Sandhurst | 2 | M Hunt |
12:15
| |
| 11/01/17 | Common Gull | Lower Farm GP | 9 | N Cleere |
| |
| 11/01/17 | Common Gull | Moatlands GP, Theale GPs | 105 | N Cleere |
| all adults. |
| 09/01/17 | Common Gull | Purley on Thames, Reading | 2 | M J Smith |
| Amongst gathering of 51 Black Headed Gulls - Purley Meadows towards Pangbourne. |
| 09/01/17 | Common Gull | New workings, Moor Green Lakes | 23 | R F Milligan |
10:45
| Main Lake. Please only view from the public footpath. |
| 04/01/17 | Common Gull | Lower Farm GP | 3 | B Lyle |
15:00
| |
| 03/01/17 | Common Gull | Sandford Lake, Dinton Pastures CP | 6 | R Marsh |
14:30
| |