cygnus columbianus

English Thesaurus

1. swan that nests in tundra regions of the New and Old Worlds (noun.animal)

hypernym	:	swan,
definition	:	stately heavy-bodied aquatic bird with very long neck and usually white plumage as adult (noun.animal)

hyponym	:	cygnus columbianus columbianus, whistling swan,
definition	:	North American subspecies of tundra swan having a soft whistling note (noun.animal)

hyponym	:	bewick's swan, cygnus columbianus bewickii,
definition	:	Eurasian subspecies of tundra swan; smaller than the whooper (noun.animal)

member meronym	:	cygnus, genus cygnus,
definition	:	a genus of Anatidae (noun.animal)