30/12/09 | Great Crested Grebe | Old Windsor | 2 | K P Duncan |
| |
12/12/09 | Great Crested Grebe | Brimpton GP | 2 | S A Graham |
14:00
| Diver not reported after early am. |
24/11/09 | Great Crested Grebe | Wraysbury GPs | 34 | J M Clark |
| includes 5 Horton GPs. |
08/11/09 | Great Crested Grebe | Old Slade GP | 4 | K P Duncan |
| |
08/11/09 | Great Crested Grebe | Moatlands GP, Theale GPs | 9 | S A Graham |
15:00
| |
31/10/09 | Great Crested Grebe | Wraysbury GPs | 27 | J M Clark |
14:00
| |
07/10/09 | Great Crested Grebe | South Lake, Woodley | 3 | J C Langridge |
| 1 ad, 2 juv. Young diving. |
18/09/09 | Great Crested Grebe | Dorney Wetlands, Jubilee River | 4 | F Try |
16:15
| 3 ad, 1 juv. Juvenile still being feed by a single adult. |
11/09/09 | Great Crested Grebe | Woolhampton GPs | 30 | K G White |
19:00
| ad and juvs. fabulous numbers of juveniles. |
08/09/09 | Great Crested Grebe | Dorney Wetlands, Jubilee River | 11 | F Try |
14:15
| 4 Ad, 7 Juvs, in two family groups. |
06/09/09 | Great Crested Grebe | Dorney Wetlands, Jubilee River | 13 | F Try |
13:00
| 5 ad, 8 juv. 2 family groups and two other adults. |
02/09/09 | Great Crested Grebe | Dorney Wetlands, Jubilee River | 9 | F Try |
| 4 ad, 5 juvs. |
30/08/09 | Great Crested Grebe | Dorney Wetlands, Jubilee River | 8 | F Try |
| 5 juvs. |
21/08/09 | Great Crested Grebe | Dorney Wetlands, Jubilee River | 5 | F Try |
10:00
| 2 ad, 3 juv. |
14/08/09 | Great Crested Grebe | Dorney Wetlands, Jubilee River | 11 | F Try |
| Inc. 3 juv. |
08/08/09 | Great Crested Grebe | Moatlands GP, Theale GPs | 37 | R Crawford |
09:10
| |
07/08/09 | Great Crested Grebe | Dorney Wetlands, Jubilee River | 11 | F Try |
| 2 family groups and 2 other adults. |
02/08/09 | Great Crested Grebe | Woolhampton GPs | 10 | K G White |
09:00
| 4 successful broods on the lake ranging from a few days old to nearly full size. |
23/07/09 | Great Crested Grebe | Woolhampton GPs | 30 | S A Graham |
14:30
| 25 ad + 5 juv. Two incubating adults and broods of 2, 2 and 1. |
23/07/09 | Great Crested Grebe | King's Meadow, Reading | 4 | J C Langridge |
08:10
| 2 ad, 2 juv. 2 small young, I think this is this pair's 2nd brood. |
18/07/09 | Great Crested Grebe | Thatcham Marsh | 6 | S A Graham |
11:00
| 6 juv. TNDC: Broods of 3, 2 & 1. |
07/07/09 | Great Crested Grebe | Lavell's Lake, Dinton Pastures CP | 4 | A Rymer |
11:00
| 3 adult, one juvenile. Pair starting second brood. One egg visible. |
28/06/09 | Great Crested Grebe | Thatcham Marsh | 5 | S A Graham |
11:15
| ad + 4 juv. Adult with 4 Juv. on Long lake. |
28/06/09 | Great Crested Grebe | Woolhampton GPs | 2 | S A Graham |
09:45
| Pair nest building in the SW corner. |
06/06/09 | Great Crested Grebe | Woolhampton GPs | 11 | S A Graham |
14:00
| No sign of any young yet. |
01/06/09 | Great Crested Grebe | Lea Farm Lake | 3 | F J Cottington |
13:30
| pair plus at least one new young. |
31/05/09 | Great Crested Grebe | Queen Mother Reservoir | 8 | J M Palmer |
13:00
| Key holders only. |
17/05/09 | Great Crested Grebe | Woolhampton | 11 | S A Graham |
11:00
| |
14/05/09 | Great Crested Grebe | Heath Lake, Crowthorne | 3 | D C Brown |
12:45
| 2 Adults with one young. |
04/05/09 | Great Crested Grebe | Lower Farm GP | 2 | S A Graham |
13:30
| Two presumend males fighting, one holding the other head below water, outcome not seen. |
29/04/09 | Great Crested Grebe | Caversham | 5 | P Gipson |
| Caversham Bridge to Kennetmouth: 2 pairs plus one chick on water. No sign of reported Black Swan cygnets, though 2 adults at Kennetmouth. |
28/04/09 | Great Crested Grebe | Woolhampton GPs | 13 | K G White |
17:30
| m & f. |
10/04/09 | Great Crested Grebe | Woolhampton GPs | 12 | S A Graham |
11:45
| |
07/03/09 | Great Crested Grebe | Aldermaston | 1 | S A Graham |
15:00
| Single on Gp. |
07/03/09 | Great Crested Grebe | Woolhampton GPs | 5 | S A Graham |
14:00
| Minimum count. |
28/02/09 | Great Crested Grebe | Moatlands Main Lake, Theale GPs | 8 | S A Graham |
14:35
| |
25/01/09 | Great Crested Grebe | Woolhampton GPs | 2 | S A Graham |
14:00
| Only one Cormorant and 6 Coots present, along with a green speedboat. |
08/01/09 | Great Crested Grebe | Queen Mother Reservoir | 160 | M J McKee |
| Key holders only. |
03/01/09 | Great Crested Grebe | Bray GPs | 23 | K P Duncan |
10:30
| |