1). 1975 Pool Road, Tresco, immature male, 26th September to 6th October, photo.
(J. N. Dymond and the Rarities Committee, British Birds 69: 343; D. B. Hunt, Isles of Scilly Bird Report 1975: 31-32; D. B. Hunt, British Birds 72: 410-414, plate 206; BOURC (1978), Ibis 120: 409; Flood, Hudson & Thomas, 2007: plate 96; British Birds 102: plate 264).