1). 1974 Porth Hellick, St Mary's, adult, 20th to 29th September, photo.
(F. R. Smith and the Rarities Committee, British Birds 68: 318, plate 44; D. S. Flumm, Isles of Scilly Bird Report 1974: 24-25; British Birds 73: plates 178-181; Flood, Hudson & Thomas, 2007: plate 54).