| 2020 | Manx Shearwater, Theale GPs, 5th September. (A B Merrick) |
| 2017 | Manx Shearwater, Theale GPs, 8th September. (A. Merrick) |
| 2012 | Manx Shearwater, Queen Mother Reservoir, 2nd September. (M. J. McKee) |
| 2011 | Manx Shearwater, Queen Mother Reservoir, 17th September. (C. D. R. Heard) |
| 2011 | Manx Shearwater, Horton GPs, 7th September. (C. D. R. Heard) |
| 2007 | Manx Shearwater, Queen Mother Reservoir, 25th September. (C. D. R. Heard) |
| 2007 | Manx Shearwater, Queen Mother Reservoir, 16th September. (C. D. R. Heard) |
| 2006 | Manx Shearwater, Reading, 19th September, picked up, taken to Child Beale Trust, died 21st. |
| 2002 | Manx Shearwater, Newbury, 9th September, picked up, taken to the RSPCA, released on the river, 10th September. |
| 1997 | Manx Shearwater, Windsor, 9th September, found dead. |
| 1988 | Manx Shearwater, Spencers Wood, 12th September, picked up, released at the Solent. |
| 1988 | Manx Shearwater, Upper Bucklebury, 5th September, found dead. |
| 1987 | Manx Shearwater, Wraysbury GPs, 23rd June. |
| 1985 | Manx Shearwater, Wokingham, 1st September. |
| 1984 | Manx Shearwater, Wraysbury GPs, 29th July, found dead. |
| 1983 | Manx Shearwater, Pangbourne, 10th September, picked up, released at Cardiff. |
| 1983 | Manx Shearwater, Burghfield GPs, 4th-12th June. |
| 1970 | Manx Shearwater, Cookham, 9th June. |
| 1955 | Manx Shearwater, Silwood Park, October, found long dead. |
| 1909 | Manx Shearwater, Sindlesham, immature female, 8th September, shot. |
| 1899 | Manx Shearwater, Reading, October, found dead or exhausted. |
| 1893 | Manx Shearwater, South Berks, found dead or exhausted. |
| 1883 | Manx Shearwater, Winterbourne, found dead. |
