red-shouldered hawk vs Buteo lineatus

red-shouldered hawk and Buteo lineatus both are nouns.

Word	Noun	Adjective	Verb	Adverb
red-shouldered hawk	Yes	No	No	No
Buteo lineatus	Yes	No	No	No

As nouns, red-shouldered hawk and Buteo lineatus are synonyms defined as:

red-shouldered hawk and Buteo lineatus: North American hawk with reddish brown shoulders

red-shouldered hawk (noun)	Buteo lineatus (noun)
North American hawk with reddish brown shoulders	North American hawk with reddish brown shoulders