| 释义 |
Cygnus columbianus columbianus
Thesaurus| Noun | 1. Cygnus columbianus columbianus - North American subspecies of tundra swan having a soft whistling notewhistling swanCygnus columbianus, tundra swan - swan that nests in tundra regions of the New and Old Worlds |
Cygnus columbianus columbianus
Synonyms for Cygnus columbianus columbianusnoun North American subspecies of tundra swan having a soft whistling noteSynonymsRelated Words- Cygnus columbianus
- tundra swan
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