a grouse, Pedioecetes phasianellus, of prairies and open forests of western North America, similar in size to the prairie chicken but with a more pointed tail.
Origin of sharp-tailed grouse
An Americanism dating back to 1775–85
Also called sprigtail.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019