Authors: Underhill, LG Kirby, JS West, RB Scott, DA Davidson, NC Haanstra, L Piersma, T Hotker, H Stroud, DA

Citation: Lg. Underhill et al., An atlas of wader populations in Africa and western Eurasia, OSTRICH, 2001, pp. 176-177

Authors: Kristiansen, JN Fox, AD Boyd, H Stroud, DA

Citation: Jn. Kristiansen et al., Greenland White fronted Geese Anser albifrons flavirostris benefit from feeding in mixed species flocks, IBIS, 142(1), 2000, pp. 142-144