Norriss, D. W. and Wilson, H. J. (1988) “Disturbance and flock size changes in Greenland Whitefronted Geese wintering in Ireland”, Wildfowl, 39, pp. 63–70. Available at: https://tidsskrift.dk/Wildfowl/article/view/154734 (Accessed: 25 May 2026).