Branta canadensis maxima Delacour, 1951

Giant Canada goose, Giant prairie goose



Taxonomy & Nomenclature



Conservation Status

Rediscovered in 1962





Biology & Ecology










Original scientific description:

Delacour, J. (1951). Preliminary note on the taxonomy of Canada geese, Branta canadensis. American Museum Novitiates 1537: 1-10.

Other references:

Anonymous. (1964). List of rare birds, including those thought to be so but of which detailed information is still lacking. IUCN Bulletin 10(Special Supplement): 4 pp.

Hanson, Harold C. (1997). The Giant Canada Goose (2nd. ed.). Carbondale, Illinois: Southern Illinois University Press. 252 pp.

Kreeger, T. J. and Walser, M. M. (1984). Carpometacarpal Deformity in Giant Canada Geese (Branta canadensis maxima Delacour). Journal of Wildlife Diseases 20(3): 245-248.

Mackenzie, John P. S. (1977). Birds in Peril: A Guide to the Endangered Birds of the United States and Canada. Toronto: Pagurian Press.

Rising, Gerry. (2003?). On "Subspecies" of the Canada Goose. Published in The Kingfisher?


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