1). 1882 Great Pool, Tresco, adult, shot, 14th May, now at Isles of Scilly Museum.
(T. Cornish, Zoologist 1882: 235; Yarrell, 1871-85; J. H. Gurney, jun., Zoologist 1887: 388; J. Clark & F. R. Rodd, Zoologist 1906: 342; Penhallurick, 1969).
2). 1933 Great Pool, Tresco, seen, 17th April.
(Tresco Abbey Records; B. H. Ryves & G. H. Harvey, Cornwall Bird Watching and Preservation Society Report 1933: 46; Eds., British Birds 38: 20; Penhallurick, 1978).
3). 1995 Tresco, 17th October; same, Periglis, St Agnes, juvenile, 17th October, photo; also in Cornwall.
(M. J. Rogers and the Rarities Committee, British Birds 89: 508; Flood, Hudson & Thomas, 2007: plate 80).
4). 2012 Abbey Pool, Tresco, adult, 18th May, photo.
(P. Sterry, Isles of Scilly Bird and Natural History Review 2012: 77, photo; J. Higginson, Isles of Scilly Bird and Natural History Review 2012: 142).
5). 2019 Great Pool, Tresco, 1CY, 2nd October, photo.
(C. Cillia, Isles of Scilly Bird and Natural History Review 2019: 98-99, photo).