red-shafted flicker vs Colaptes caper collaris

red-shafted flicker and Colaptes caper collaris both are nouns.

Word	Noun	Adjective	Verb	Adverb
red-shafted flicker	Yes	No	No	No
Colaptes caper collaris	Yes	No	No	No

As nouns, red-shafted flicker and Colaptes caper collaris are synonyms defined as:

red-shafted flicker and Colaptes caper collaris: western United States bird with red undersurface to wings and tail

red-shafted flicker (noun)	Colaptes caper collaris (noun)
western United States bird with red undersurface to wings and tail	western United States bird with red undersurface to wings and tail