anser cygnoides

English Thesaurus

1. very large wild goose of northeast Asia; interbreeds freely with the greylag (noun.animal)

hypernym	:	goose,
definition	:	web-footed long-necked typically gregarious migratory aquatic birds usually larger and less aquatic than ducks (noun.animal)

member meronym	:	anser, genus anser,
definition	:	typical geese (noun.animal)