Carolina parakeet vs Conuropsis carolinensis

Carolina parakeet and Conuropsis carolinensis both are nouns.

Word	Noun	Adjective	Verb	Adverb
Carolina parakeet	Yes	No	No	No
Conuropsis carolinensis	Yes	No	No	No

As nouns, Carolina parakeet and Conuropsis carolinensis are synonyms defined as:

Carolina parakeet and Conuropsis carolinensis: extinct parakeet whose range extended far into the United States

Carolina parakeet (noun)	Conuropsis carolinensis (noun)
extinct parakeet whose range extended far into the United States	extinct parakeet whose range extended far into the United States