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whis·tling swan(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.
[Named by Meriwether Lewis after its call, the first part of which reminded him of whistling.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Animals) a white North American swan, Cygnus columbianus, with a black bill and straight neck. Compare mute swan
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a North American swan, Cygnus columbianus columbianus, a subspecies of the tundra swan.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||whistling swan - North American subspecies of tundra swan having a soft whistling note|
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.