| 2022 | Queen Mother Reservoir, two, juvenile, 14th September (C. D. R. Heard). |
| 2021 | Eton Wick, two, 31st May (B. T. Bennett). |
| 2016 | Moor Green Lakes, juvenile, 11th-17th September (R. C. Murfitt). |
| 2014 | Eton Wick, juvenile, 14th September (C. D. R. Heard). |
| 2013 | Queen Mother Reservoir, 6th-7th September (C. D. R. Heard). |
| 2009 | Midgham Quarry, adult, 6th June (K. E. Moore). |
| 2007 | Moor Green Lakes, three, juvenile, 23rd September (B. M. Archer). |
| 2007 | Borough Marsh, four, 7th-10th September, four on 7th-9th September, only, two on 10th (H. R. Netley, A. B. Tomczynski). |
| 2007 | Borough Marsh, two, adult, juvenile, 24th August (A. B. Tomczynski). |
| 2005 | Pingewood GPs, juvenile, 17th September (B. T. Bennett, R. Crawford). |
| 2005 | Lower Farm GP, 17th-20th September (I. L. G. Weston). |
| 2005 | Lower Farm GP, 21st May (R. Adnams, G. Kimber, G. Mackenzie). |
| 2005 | Dorney Wetlands, adult, 12th May (D. A. Carter). |
| 2004 | Pingewood GPs, juvenile, 11th-15th September (B. T. Bennett). |
| 2002 | Dorney Wetlands, adult, 20th May (S. Pavlou). |
| 2001 | Slough SF, juvenile, 11th-16th September (M. J. McKee, J. O'Brien). |
| 2001 | Slough SF, five, juvenile, 8th September (C. D. R. Heard, M. J. McKee). |
| 2000 | Lower Farm GP, adult, 24th-25th July (M. J. Dear). |
| <2000 | Many records. |