1). 1979 Porth Hellick Pool, St Mary's, 5th to 6th January; same, Tresco, 26th January.
(H. P. K. Robinson & D. B. Hunt, Isles of Scilly Bird Report 1979: 14).
2). 1980 Newford Duck Pond, St Mary's, immature, late November to 1981; same, Porth Hellick, 6th February to 4th May 1981.
(H. P. K. Robinson & D. B. Hunt, Isles of Scilly Bird Report 1980: 12; D. B. Hunt & M. J. Rogers, Isles of Scilly Bird Report 1981: 16).
3). 1991 Great Pool, Tresco, female, 24th December to 26th January 1992.
(P. J. Robinson, Isles of Scilly Bird Report 1991: 23; P. J. Robinson, Isles of Scilly Bird Report 1992: 24).
4). 1996 Great Pool, Tresco, male, 15th to 29th October.
(P. J. Robinson, Isles of Scilly Bird Report 1996: 22).