GANZENWERKGROEP NEDERLAND/BELGIË, (1992) Goose counts in The Netherlands and Belgium in 1989 - 1990. LIMOSA 65 (4): 163-169.

Goose counts in The Netherlands and Belgium in 1989 - 1990 Taiga Bean Goose Anser fabalis Tundra Bean Goose Anser serrirostris Pink-footed Goose Anser brachyrhynchus = Anser fabalis brachyrhynchus Greater White-fronted Goose Anser albifrons Greylag Goose Anser anser Barnacle Goose Branta leucopsis Dark-bellied Brent Goose Branta bernicla Canada Goose Branta canadensis

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