| dFH: recorded in every month apart from July. 8 during December to February and 2 in June. Earliest in autumn 1 August (Polgate (ES) 1893 and Pett (ES) 1914 WB. | |
| 1906 | One on Royal Sovereign Lightship (ES) on 8 May (latest spring record in dFH). | |
| Records from 1948 are:. | |
| 1949 | One at Thorney (WS) on 9 October. | * |
| 1950 | One at the Crumbles (ES) on 24 and 29 October. | * |
| 1951 | One picked up dead below pylons at Shoreham-by-Sea (WS) on 18 October. | * |
| 1955 | One at the Crumbles (ES) on 16 March. | * |
| 1957 | One at Fishbourne (WS) on 24 November. | * |
| 1958 | One at Sidlesham (WS) on 10 April. | * |
| 1959 | One at Pett Level (ES) on 4 November. | * |
| One at Thorney (WS) on 15 November. | * |
| One at Pett Level (ES) on 26 December. | * |
| 1961 | One at Manhood End (WS) on 29 October. | * |
| 1962 | One at Pagham Lagoon (WS) on 14 November. | * |
| 1963 | One at the Crumbles (ES) on 1 September. | * |
| One at Thorney Island (WS) on 19 September. | * |
| 1965 | One at the Crumbles (ES) on 2 January. | * |
| 1966 | One at Weir Wood Reservoir (E/WS) on 26 September. | * |
| 1967 | One at Church Norton (WS) on 12 November. | * |
| 1969 | One at Litlington (ES) on 3 April. | * |
| One at Litlington (ES) on 28 November. | * |
| 1971 | One at Hampden Park (ES) on 3 January. | * |
| One at Milton Street (ES) on 28 April. | * |
| One at a potential breeding site between 28 April and 4 May. | * |
| One at a different site in June. | * |
| One at Litlington (ES) on 4 December. | * |
| 1972 | One on Eastbourne Golf Course (ES) on 22 August. | * |
| One at Whitbread Hollow, Beachy Head (ES) on 28 October. | * |
| 1973 | A male found dead at Aldingbourne (WS) on 11 August. | * |
| One at Litlington (ES) on 9 October. | * |
| One at Sidlesham Ferry (WS) on 15 October. | * |
| 1975 | One found freshly killed at Amberley Wild Brooks (WS) on 16 February. | * |
| One at Chichester Harbour (WS) on 23 and 25 August. | */*76 |
| 1977 | One at Charleston Reedbed (ES) on 22 September. | * |
| One at Charleston Reedbed (ES) on 16 December. | * |
| 1978 | One at Ferry House Pool, Sidlesham (WS) on 21 October. | * |
| 1981 | One at Arundel WWT (WS) from 1 to 15 September, with two on 12th. | * |
| One at Waltham Brooks (WS) from 13 to 16 September. | * |
| 1983 | One in the lower Cuckmere Valley (ES) on 19 November. | * |
| 1985 | One heard at Filsham Reedbed (ES) on 30 September. | * |
| 1986 | An adult at Filsham Reedbed (ES) on 11 March. | *87 |
| 1987 | One at potential breeding site on 25 June (Filsham (ES) or Pett Level (ES)?). | * |
| One at another potential breeding site on 14 and 22 August. | * |
| One at Arundel WWT (WS) between 26 August and 29 September, with three on 28 and 29 August and two on 30 August. | * |
| One at Pagham Harbour (WS) from 28 October to 1 November. | * |
| 1988 | One heard at Filsham Reedbed (ES) on 4 April. | * |
| One at Filsham Reedbed (ES) on 17 April. | * |
| One heard at Filsham Reedbed (ES) between 1 and 10 May. | * |
| One at the 'long pool', Pagham Harbour (WS) from 30 August to 7 September, reappeared on 11 September. | * |
| One at Pett (ES) on 10 and 12 September. | * |
| One heard at Waltham Brooks (WS) on 16 October. | * |
| 1989 | One at Pannel Sewer, Pett Level (ES) on 26 and 27 March. | * |
| 1990 | A juvenile trapped at Pannel Sewer, Pett Level (ES) on 13 August. | * |
| 1992 | One trapped at Pannel Sewer, Pett Level (ES) on 16 August. | * |
| One trapped at Pannel Sewer, Pett Level (ES) on 20 August and irregularly to 16 September. | * |
| One trapped at Pannel Sewer, Pett Level (ES) on 11 September. | * |
| One trapped at Pannel Sewer, Pett Level (ES) on 1 October. | * |
| 1993 | One at Waltham Brooks (WS) on 23 April. | * |
| Two heard at Filsham Reedbed (ES) on 30 April. | * |
| A juvenile trapped at Pannel Sewer, Pett Level (ES) on 22 and 23 September. | * |
| One trapped at Pannel Sewer, Pett Level (ES) on 8 October. | * |
| One trapped at Pannel Sewer, Pett Level (ES) on 10 October. | * |
| 1994 | A juvenile trapped at Pannel Sewer, Pett Level (ES) on 24 July. | * |
| A juvenile trapped at Pannel Sewer, Pett Level (ES) on 6 September. | * |
| A juvenile trapped at Pannel Sewer, Pett Level (ES) on 6 October. | * |
| 1995 | One at Weir Wood Reservoir (E/WS) from 8 to 15 August. | */*96 |
| One trapped at Pannel Sewer, Pett Level (ES) on 12 August. | * |
| One trapped at Pannel Sewer, Pett Level (ES) on 22 August. | * |
| One trapped at Pannel Sewer, Pett Level (ES) on 23 August and 7 September. | * |
| One trapped at Pannel Sewer, Pett Level (ES) on 6 September. | * |
| One trapped at Pannel Sewer, Pett Level (ES) on 19 September. | * |
| One trapped at Pannel Sewer, Pett Level (ES) on 2 October. | * |
| One trapped at Pannel Sewer, Pett Level (ES) on 4 October. | * |
| 1996 | A juvenile trapped at Pannel Sewer, Pett Level (ES) on 21 August. | * |
| A juvenile trapped at Pannel Sewer, Pett Level (ES) on 12 September. | * |
| A juvenile trapped at Pannel Sewer, Pett Level (ES) on 28 September. | * |
| A juvenile trapped at Pannel Sewer, Pett Level (ES) on 12 October. | * |
| 1997 | An adult at Waltham Brooks (WS) on 11 and 14 August. | * |
| An adult at the W end of the 'long pool', Pagham Harbour (WS) from 12 to 16 August. | * |
| One trapped at Pannel Sewer, Pett Level (ES) on 27 August. | * |
| One heard at Thorney Great Deep (WS) on 30 August. | * |
| 1998 | A juvenile trapped at Pett Level (ES) on 25 August. | * |
| Two juveniles trapped at Pett Level (ES) on 3 September. | * |
| One at North Wall, Pagham Harbour (WS), on 6 September. | * |
| A juvenile trapped at Pett Level (ES) on 6 September. | * |
| A juvenile trapped at Pett Level (ES) on 16 September. | * |
| Two juveniles trapped at Pett Level (ES) on 25 September. | * |
| A juvenile trapped at Pett Level (ES) on 28 September. | * |
| A juvenile trapped at Pett Level (ES) on 29 September. | * |
| A juvenile trapped at Pett Level (ES) on 2 October. | * |
| A juvenile trapped at Pett Level (ES) on 3 October. | * |
| A juvenile trapped at Pett Level (ES) on 12 October. | * |
| A juvenile trapped at Pett Level (ES) on 24 October. | * |
| 1999 | A juvenile male trapped at Pett Level (ES) on 24 September. | * |
| A juvenile male trapped at Pett Level (ES) on 5 October. | * |
| 2000 | One heard at Filsham (ES) on 30 April. | * |
| A non-juvenile female trapped at Pett Level (ES) on 24 August. | * |
| A non-juvenile female trapped at Pett Level (ES) on 17 September. | * |
| A juvenile male trapped at Pett Level (ES) on 26 September. | * |
| A non-juvenile male trapped at Pett Level (ES) on 19 October. | * |