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ptarmigan(tär`məgən): see grousegrouse,
common name for a game bird of the colder parts of the Northern Hemisphere. There are about 18 species. Grouse are henlike terrestrial birds, protectively plumaged in shades of red, brown, and gray.
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Any of various birds of the genus Lagopus in the family Tetraonidae; during the winter, plumage is white and hairlike feathers cover the feet.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
1. any of several arctic and subarctic grouse of the genus Lagopus, esp L. mutus, which has a white winter plumage
2. a created domestic fancy pigeon with ruffled or curled feathers on the wings and back
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005