| 31/12/15 | Cetti's Warbler | Wraysbury GPs | 1 | M Hunt |
| |
| 29/12/15 | Cetti's Warbler | Dorney Wetlands, Jubilee River | 3 | S A Graham |
09:00
| Min. |
| 28/12/15 | Cetti's Warbler | Jubilee River | 4 | B Crathorne |
10:00
| |
| 15/12/15 | Cetti's Warbler | Dorney Wetlands, Jubilee River | 6 | B Crathorne |
11:00
| Heard during walk from car park to Eton Floods. |
| 06/12/15 | Cetti's Warbler | Dorney Wetlands, Jubilee River | 1 | B J Hollands |
| Calling from Roundmoor Ditch. |
| 27/11/15 | Cetti's Warbler | Jubilee River | 2 | R Marsh |
10:30
| Very vocal & squabbling in the boardwalk area. |
| 12/11/15 | Cetti's Warbler | Eton Wick | 2 | D Cleal |
| |
| 11/11/15 | Cetti's Warbler | Wraysbury GPs | 1 | P J Newbound |
12:00
| |
| 10/11/15 | Cetti's Warbler | Woolhampton GPs | 1 | M J Dear |
| |
| 08/11/15 | Cetti's Warbler | Lavell's Lake, Dinton Pastures CP | 2 | P Scudamore |
12:00
| Calling, one on main island other along path to Bittern Hide. |
| 08/11/15 | Cetti's Warbler | Burghfield Mill GP, Theale GPs | 2 | R Crawford |
08:00
| Singing. |
| 03/11/15 | Cetti's Warbler | Fobney Meadow | 1 | P Gipson |
15:14
| I couldn't find yesterday's Dartford Warbler at Fobney Island, though site disturbed by a tractor. |
| 02/11/15 | Cetti's Warbler | Eton Wick | 3 | J C Morgan |
11:30
| calling. |
| 31/10/15 | Cetti's Warbler | Eton Wick | 3 | R C Watts |
12:00
| Saw two and heard one. |
| 24/10/15 | Cetti's Warbler | Searles Farm Lane GP, Burghfield GPs | 7 | J E Andrews |
08:15
| min count. Please only view from the public footpath. |
| 23/10/15 | Cetti's Warbler | Lea Farm Lake | 3 | F J Cottington |
08:00
| All new birds, ringed early this am per resident ringer Tim Alexander. |
| 18/10/15 | Cetti's Warbler | Burghfield GPs | 5 | N J Bucknell |
| |
| 18/10/15 | Cetti's Warbler | Lavell's Lake, Dinton Pastures CP | 2 | F J Cottington |
09:45
| Heard. |
| 18/10/15 | Cetti's Warbler | Lavell's Lake, Dinton Pastures CP | 1 | D White |
| |
| 18/10/15 | Cetti's Warbler | Hosehill Lake, Theale GPs | 2 | A V Lawson |
| |
| 15/10/15 | Cetti's Warbler | Sandford Lake, Dinton Pastures CP | 1 | M F Walford |
07:40
| singing. |
| 14/10/15 | Cetti's Warbler | Hosehill Lake, Theale GPs | 3 | A V Lawson |
| |
| 11/10/15 | Cetti's Warbler | Hosehill Lake, Theale GPs | 1 | T G Ball |
| A bird ringed here on 20 September was retrapped this afternoon. |
| 10/10/15 | Cetti's Warbler | Dorney Wetlands, Jubilee River | 2 | K P Duncan |
| |
| 11/10/15 | Cetti's Warbler | Woolhampton GPs | 1 | M F Walford |
| |
| 08/10/15 | Cetti's Warbler | Fobney Island | 1 | R Righelato |
| In blackthorn by K&A Canal. At least one bird has been present here all year. |
| 08/10/15 | Cetti's Warbler | Hosehill Lake, Theale GPs | 6 | A V Lawson |
| at least. |
| 08/10/15 | Cetti's Warbler | Sandford Lake, Dinton Pastures CP | 1 | R Marsh |
| Heard then seen briefly, west side of lake. Another was heard only at Lea Farm GP. |
| 02/10/15 | Cetti's Warbler | Lavell's Lake, Dinton Pastures CP | 1 | M F Walford |
07:15
| singing. |
| 30/09/15 | Cetti's Warbler | Lavell's Lake, Dinton Pastures CP | 1 | R Marsh |
10:45
| Very vocal around Bittern hide and showed briefly in feeder area. |
| 30/09/15 | Cetti's Warbler | Lavell's Lake, Dinton Pastures CP | 1 | M F Walford |
06:50
| singing. |
| 29/09/15 | Cetti's Warbler | Dorney Wetlands, Jubilee River | 6 | B Crathorne |
11:00
| Heard during walk around Dorney Wetlands. |
| 27/09/15 | Cetti's Warbler | Searles Farm Lane GP, Burghfield GPs | 7 | J E Andrews |
08:15
| 2 very obliging showers. Please only view from the public footpath. |
| 25/09/15 | Cetti's Warbler | Hosehill Lake, Theale GPs | 6 | A V Lawson |
| at least. |
| 20/09/15 | Cetti's Warbler | Hosehill Lake, Theale GPs | 2 | T G Ball |
| 2 Juveniles caught and ringed this afternoon. |
| 17/09/15 | Cetti's Warbler | Dorney Wetlands, Jubilee River | 7 | B D Clews |
12:00
| all heard. |
| 16/09/15 | Cetti's Warbler | Hosehill Lake, Theale GPs | 1 | R Crawford |
18:20
| Singing. |
| 12/09/15 | Cetti's Warbler | Lavell's Lake, Dinton Pastures CP | 2 | P Bright-Thomas |
18:45
| m. One close to Bittern hidenand one at far end. |
| 10/09/15 | Cetti's Warbler | Lavell's Lake, Dinton Pastures CP | 1 | M F Walford |
07:30
| Singing. |
| 09/09/15 | Cetti's Warbler | Lavell's Lake, Dinton Pastures CP | 1 | M F Walford |
06:55
| Singing. |
| 07/09/15 | Cetti's Warbler | Lavell's Lake, Dinton Pastures CP | 1 | M F Walford |
06:30
| singing. |
| 04/09/15 | Cetti's Warbler | Fobney Island | 2 | J E Andrews |
06:30
| |
| 31/08/15 | Cetti's Warbler | Dorney Wetlands, Jubilee River | 1 | B J Hollands |
| In bushes on Roundmoor Ditch. |
| 20/08/15 | Cetti's Warbler | Lavell's Lake, Dinton Pastures CP | 1 | M F Walford |
06:25
| |
| 19/08/15 | Cetti's Warbler | Main Pit, Theale GPs | 1 | R J Burness |
10:15
| Singing. |
| 19/08/15 | Cetti's Warbler | Hosehill Lake, Theale GPs | 4 | A V Lawson |
| juveniles. |
| 15/08/15 | Cetti's Warbler | Moatlands GP, Theale GPs | 5 | R Crawford |
06:30
| Singing. |
| 09/08/15 | Cetti's Warbler | Nature Discovery Centre, Thatcham Marsh | 1 | S A Graham |
10:00
| Calling far to the S. |
| 09/08/15 | Cetti's Warbler | Moatlands GP, Theale GPs | 2 | R Crawford |
07:50
| Singing. |
| 02/08/15 | Cetti's Warbler | Searles Farm Lane GP, Burghfield GPs | 1 | J E Andrews |
08:30
| Please only view from the public footpath. |
| 27/02/15 | Cetti's Warbler | Lavell's Lake, Dinton Pastures CP | 1 | R Marsh |
11:00
| From Bittern hide, seen with Les Seward. |
| 25/02/15 | Cetti's Warbler | Lavell's Lake, Dinton Pastures CP | 1 | M Vogel |
13:00
| Right side of Bittern hide, on fence above nest box no5.. See Pictures.. |
| 19/02/15 | Cetti's Warbler | Lavell's Lake, Dinton Pastures CP | 1 | R Dawson |
10:45
| Teal hide. |
| 15/02/15 | Cetti's Warbler | Woolhampton GPs | 1 | S A Graham |
10:00
| Calling to the W. of 'Garganey lake'. |
| 04/02/15 | Cetti's Warbler | Eton Wick | 1 | D Cleal |
| Surprisingly confiding giving a great view at the bottom of the gardens along the Roundmoor Ditch. |
| 04/02/15 | Cetti's Warbler | Dorney Wetlands, Jubilee River | 2 | J C Morgan |
11:00
| one heard and one seen out in the open. |
| 03/02/15 | Cetti's Warbler | Sandford Lake, Dinton Pastures CP | 1 | P Scudamore |
12:30
| Showing well along ditch on west side. Lake mostly frozen too. |
| 01/02/15 | Cetti's Warbler | Dorney Wetlands, Jubilee River | 1 | R Hayward |
14:00
| Roundmoor ditch. |
| 20/01/15 | Cetti's Warbler | Eton Wick | 2 | A D Bassett |
14:00
| in the roundmoor ditch between the common rd and the first bend. |
| 25/01/15 | Cetti's Warbler | Dorney Wetlands, Jubilee River | 5 | B J Hollands |
| 3 seen in Roundmoor Ditch,2 heard elsewhere. |
| 23/01/15 | Cetti's Warbler | Wraysbury GPs | 1 | C Lamsdell |
| |
| 20/01/15 | Cetti's Warbler | Dorney Wetlands, Jubilee River | 3 | J C Morgan |
11:00
| seen another two heard. |
| 19/01/15 | Cetti's Warbler | Eton Wick | 1 | D Cleal |
| |
| 18/01/15 | Cetti's Warbler | Lavell's Lake, Dinton Pastures CP | 1 | A Rymer |
11:45
| Crossed over path to Bittern hide. |
| 18/01/15 | Cetti's Warbler | Dorney Wetlands, Jubilee River | 1 | B J Hollands |
| In Roundmoor Ditch showing well. |
| 16/01/15 | Cetti's Warbler | Lavell's Lake, Dinton Pastures CP | 1 | A Rymer |
11:00
| In sedge by footpath at back of Bittern hide. Crossed over path via willow bushes on way to back of scrape. |
| 13/01/15 | Cetti's Warbler | Dorney Wetlands, Jubilee River | 1 | J C Morgan |
10:00
| several heard one seen also a grey cockatiel which is obviously a escapee. |
| 05/01/15 | Cetti's Warbler | Thatcham Marsh | 1 | P E Hutchins |
16:13
| male. In song from this time - to the south-east of the hide. |
| 05/01/15 | Cetti's Warbler | Dorney Wetlands, Jubilee River | 4 | C Lamsdell |
| |
| 01/01/15 | Cetti's Warbler | Burghfield Mill GP, Theale GPs | 1 | R Crawford |
07:35
| Singing. |