References : 



Jones, R. D., Jr. 1963. Buldir Island, site of a remnant breeding population 



of Aleutian Canada geese. Wildfowl Trust 14th Annual Report 1961-62. 

 Kenyon, K. Administrative Report, Bureau of Sport Fisheries and Wildlife, 



San Point Naval Station, Seattle, Washington. 

 Marshall, D. B. 1968. Endangered plants and animals of Oregon, Part III, Birds, 



Extension Division, Oregon State Univ., Corvallis, Oregon. 

 Towers, B. (Inlitt. 1970). 

 Yamashina, Y. (inlitt. 1964). 



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