1). 1870 Clintburn (Wark Forest), near Bellingham, first-year, shot, 5th August, now at Great North Museum: Hancock, Newcastle-upon-Tyne.
(E. S. Charlton, Field 3rd Sept., 1870: 214; Eds., Zoologist 1870: 2344; Hancock, 1874; J. T. T. Reed, Naturalist 12: 76; Howse, 1899; Bolam, 1912; Witherby, 1920-24; Galloway & Meek, 1978-83; BOURC (2005), Ibis 147: 246-250).