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blue grouse

noun
  1. a dull gray grouse, Dendragapus obscurus, of western North America, the male of which has a yellow or orange comb.

Origin of blue grouse

An Americanism dating back to 1855–60
Also called dusky grouse, sooty grouse.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for blue grouse

blue grouse

noun
  1. a grouse, Dendragapus obscurus, of W North America, having a bluish-grey plumage with a black tail
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012