Cygnus columbianus

Từ điển Oxford Learners Wordfinder Dictionary

noun

swan that nests in tundra regions of the New and Old Worlds
• Syn:
tundra swan
• Hypernyms:
swan
• Hyponyms:
whistling swan, Cygnus columbianus columbianus, Bewick's swan, Cygnus columbianus bewickii
• Member Holonyms:
Cygnus, genus Cygnus