ptarmigan

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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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ptarmigan

[′tar·mə·gən]
(vertebrate zoology)
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.

ptarmigan

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
References in periodicals archive ?
The Evermann's Rock Ptarmigan (Lagopus muta evermanni) has the most limited distribution of the currently recognized subspecies in the Aleutians.
2008: Effect of weather on the reproductive rate of Rock Ptarmigan Lagopus muta in the eastern Pyrenees.--Ibis 150: 270-278.
2012: Metodi di censimento e definizione dell'idoneita ambientale per la conservazione dei Galliformi alpini, con particolare riferimento alla Pernice Bianca Lagopus muta helvetica e al Fagiano di monte Tetrao tetrix.
2008: Spring densities and calling activities of Rock Ptarmigan (Lagopus muta helvetica) in the Austrian Alps.--Journal of Ornithology 149: 135-139.
2012: Habitat at the mountain tops: how long can Rock Ptarmigan Lagopus muta helvetica survive rapid climate change in the Swiss Alps?