Whistling-swan meaning

wĭs'lĭng, hwĭs'-
A subspecies (Cygnus columbianus subsp. columbianus) of the tundra swan found in North America and having a clear, honking call and a black beak with a yellow spot at the base.
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A large, white, North American swan (Cygnus columbianus) usually having a yellow spot in front of the eye: it winters along the Atlantic coast of the U.S.
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Alternative name for the Bewick's swan.
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Origin of whistling-swan

  • Named by Meriwether Lewis after its call, the first part of which reminded him of whistling
    From American Heritage Dictionary of the English Language, 5th Edition