Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun whistling_swan

1 sense of whistling swan

Sense 1
whistling swan, Cygnus columbianus columbianus -- (North American subspecies of tundra swan having a soft whistling note)
       => tundra swan, Cygnus columbianus -- (swan that nests in tundra regions of the New and Old Worlds)