sprigtail vs sharp-tailed grouse

sprigtail and sharp-tailed grouse both are nouns.

Word	Noun	Adjective	Verb	Adverb
sprigtail	Yes	No	No	No
sharp-tailed grouse	Yes	No	No	No

As nouns, sprigtail and sharp-tailed grouse are synonyms defined as:

sprigtail and sharp-tailed grouse: large grouse of prairies and open forests of western North America

Other synonyms of sprigtail include Pedioecetes phasianellus, sprig tail.

sprigtail (noun)	sharp-tailed grouse (noun)
large grouse of prairies and open forests of western North America	large grouse of prairies and open forests of western North America