Buteo jamaicensis vs redtail

Buteo jamaicensis and redtail both are nouns.

Word	Noun	Adjective	Verb	Adverb
Buteo jamaicensis	Yes	No	No	No
redtail	Yes	No	No	No

As nouns, Buteo jamaicensis and redtail are synonyms defined as:

Buteo jamaicensis and redtail: dark brown American hawk species having a reddish-brown tail

Other synonyms of Buteo jamaicensis include red-tailed hawk.

Buteo jamaicensis (noun)	redtail (noun)
dark brown American hawk species having a reddish-brown tail	dark brown American hawk species having a reddish-brown tail
	European songbird with a reddish breast and tail; related to Old World robins