Weegman, M. D.; Fox, A. D.; Hilton, G. M.; Hodgson, D. J.; Walsh, A. J.; Griffin, L. R.; Bearhop, S. Diagnosing the Decline of the Greenland White-Fronted Goose Anser Albifrons Flavirostris Using Population and Individual Level Techniques. Wildfowl 2017, 3-18.