1). 1978 8 km NE of St Mary's, apparent adult, 20th September, possibly another, 5.5 km NE of St Mary's, 16th October, apparently showing sub-adult characters.
(M. J. Rogers and the Rarities Committee, British Birds 72: 508).
2). 2009 Off Peninnis Head, St Mary's, fifth-year, 21st September, photo.
(E. A. Fisher & R. L. Flood, Birding World 22 (9): 379-381, plates 1-6; British Birds 102: plate 410; N. A. J. Hudson and the Rarities Committee, British Birds 103: 570, plate 309; D. Thompson, R. L. Flood & E. A. Fisher, Isles of Scilly Bird and Natural History Review 2009: 125-126).