blue darter vs Accipiter cooperii

blue darter and Accipiter cooperii both are nouns.

Word	Noun	Adjective	Verb	Adverb
blue darter	Yes	No	No	No
Accipiter cooperii	Yes	No	No	No

As nouns, blue darter and Accipiter cooperii are synonyms defined as:

blue darter and Accipiter cooperii: bluish-grey North American hawk having a darting flight

Other synonyms of blue darter include Cooper's hawk.

blue darter (noun)	Accipiter cooperii (noun)
bluish-grey North American hawk having a darting flight	bluish-grey North American hawk having a darting flight