| 2016 | Speen Moor Plantations, 28th October. |
| 2014 | Lower Farm GP, immature, 22nd August. |
| 2014 | Cock Marsh, 6th May. |
| 2011 | Lower Farm GP, adult, 21st October. |
| 2011 | Lower Farm GP, juvenile, 9th October. |
| 2011 | Woolhampton GPs, adult, 16th June. |
| 2011 | Lower Farm GP, 8th May. |
| 2007 | Dorney Wetlands, juvenile, 13th-14th December. |
| 2007 | Bracknell, two, 17th May. |
| 2007 | Dorney Wetlands, three immatures, 16th May. |
| 2007 | Lea Farm Lake, two immatures, 14th May. |
| 2007 | Dorney Wetlands, 4th May. |
| 2003 | Queen Mother Reservoir, immature, 2nd-25th November. |
| 2003 | Finchampstead, two first-summers, 7th May. |
| 2001 | Theale GPs, first-winter, 16th-17th September. |
| 2001 | Pingewood GPs, five first-winters, 10th September. |
| 2000 | Lower Farm GP, immature, 28th May. |
| 1986 | Summerleaze GP, immature, 10th October. |
| 1986 | Wraysbury GPs, 5th July. |
| 1983 | Dinton Pastures CP, 21st October. |
| 1982 | Lower Farm Trout Lake, 7th-8th June. |
| 1979 | Theale GPs, immature, 14th-15th November. |
| 1977 | Wraysbury GPs, adult, 7th May. |
| 1969 | Cock Marsh, 11th May. |
| 1968 | Ham Island, 20th October. |
| 1945 | Ham SF, four, 19th May. |
| 1940 | Slough SF, 8th May. |