sooty grouse
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Related to sooty grouse: dusky grouse, blue grouse
sooty grouse
n.
A wildfowl (Dendragapus fuliginosus) of coastal regions of western North America, having predominantly gray plumage. It was formerly considered a subspecies of the blue grouse.
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.