dusky grouse

American  

noun

1. blue grouse.

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Etymology

Origin of dusky grouse

1820–30;

Example Sentences

Blue or dusky grouse, the largest of the mountain species, are slate in color mixed with brown and white-tipped feathers.

From Washington Times

The central and western mountains are home to blue grouse, also known as dusky grouse, ruffed grouse, and spruce grouse, sometimes called Franklin’s grouse.

From Washington Times

Fish & Wildlife Service will help you quickly find out if you found the feather of a dusky grouse, a blue grouse or a ruffed grouse.

From Seattle Times

Game birds are represented by the dusky grouse.

From Project Gutenberg

The blue, or dusky, grouse is also common here.

From Project Gutenberg