Delacour, Jean, 1890-Ripley, Sidney Dillon, 1913-2005-10-062005-10-061975http://hdl.handle.net/2246/27584 p. : ill. ; 26 cm.Includes bibliographical references (p. 4)."Anser albifrons elgasi is described as a new subspecies of the white-fronted goose from winter specimens in central California. It presumably breeds in the taiga of inland Alaska. The new form is compared with North American A.a. gambeli and A.a. frontalis"--P. [1].6807351 bytesapplication/pdfen-USWhite-fronted goose -- California -- Sacramento RegionAnserGeese -- California -- Sacramento RegionGeese -- North AmericaBirds -- California -- Sacramento RegionBirds -- North Americatext