Passer domesticus vs English sparrow

Passer domesticus and English sparrow both are nouns.

Word	Noun	Adjective	Verb	Adverb
Passer domesticus	Yes	No	No	No
English sparrow	Yes	No	No	No

As nouns, Passer domesticus and English sparrow are synonyms defined as:

Passer domesticus and English sparrow: small hardy brown-and-grey bird native to Europe

Other synonyms of Passer domesticus include house sparrow.

Passer domesticus (noun)	English sparrow (noun)
small hardy brown-and-grey bird native to Europe	small hardy brown-and-grey bird native to Europe