Carpodacus mexicanus vs house finch

Carpodacus mexicanus and house finch both are nouns.

Word	Noun	Adjective	Verb	Adverb
Carpodacus mexicanus	Yes	No	No	No
house finch	Yes	No	No	No

As nouns, Carpodacus mexicanus and house finch are synonyms defined as:

Carpodacus mexicanus and house finch: small finch originally of the western United States and Mexico

Other synonyms of Carpodacus mexicanus include linnet.

Carpodacus mexicanus (noun)	house finch (noun)
small finch originally of the western United States and Mexico	small finch originally of the western United States and Mexico