Sphyrapicus varius ruber vs red-breasted sapsucker

Sphyrapicus varius ruber and red-breasted sapsucker both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sphyrapicus varius ruber	Yes	No	No	No
red-breasted sapsucker	Yes	No	No	No

As nouns, Sphyrapicus varius ruber and red-breasted sapsucker are synonyms defined as:

Sphyrapicus varius ruber and red-breasted sapsucker: western North American sapsucker

Sphyrapicus varius ruber (noun)	red-breasted sapsucker (noun)
western North American sapsucker	western North American sapsucker