Spinus tristis vs New World goldfinch

Spinus tristis and New World goldfinch both are nouns.

Word	Noun	Adjective	Verb	Adverb
Spinus tristis	Yes	No	No	No
New World goldfinch	Yes	No	No	No

As nouns, Spinus tristis and New World goldfinch are synonyms defined as:

Spinus tristis and New World goldfinch: American finch whose male has yellow body plumage in summer

Other synonyms of Spinus tristis include goldfinch, yellowbird.

Spinus tristis (noun)	New World goldfinch (noun)
American finch whose male has yellow body plumage in summer	American finch whose male has yellow body plumage in summer