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tundra swan
- an Arctic-breeding migratory swan with a yellow and black bill, often known by the names of its constituent races (Bewick's swan and whistling swan).
noun: tundra swan, plural noun: tundra swans
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- IPA[ˈtəndrə swän]
- an Arctic-breeding migratory swan with a yellow and black bill often known by the names of its ...
Oxford American Dictionary