mockingbird vs Mimus polyglotktos

mockingbird and Mimus polyglotktos both are nouns.

Word	Noun	Adjective	Verb	Adverb
mockingbird	Yes	No	No	No
Mimus polyglotktos	Yes	No	No	No

As nouns, mockingbird and Mimus polyglotktos are synonyms defined as:

mockingbird and Mimus polyglotktos: long-tailed grey-and-white songbird of the southern United States able to mimic songs of other birds

Other synonyms of mockingbird include mocker.

mockingbird (noun)	Mimus polyglotktos (noun)
long-tailed grey-and-white songbird of the southern United States able to mimic songs of other birds	long-tailed grey-and-white songbird of the southern United States able to mimic songs of other birds