Cooper's hawk vs blue darter

Cooper's hawk and blue darter both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cooper's hawk	Yes	No	No	No
blue darter	Yes	No	No	No

As nouns, Cooper's hawk and blue darter are synonyms defined as:

Cooper's hawk and blue darter: bluish-grey North American hawk having a darting flight

Other synonyms of Cooper's hawk include Accipiter cooperii.

Cooper's hawk (noun)	blue darter (noun)
bluish-grey North American hawk having a darting flight	bluish-grey North American hawk having a darting flight