Turdus iliacus vs redwing

Turdus iliacus and redwing both are nouns.

Word	Noun	Adjective	Verb	Adverb
Turdus iliacus	Yes	No	No	No
redwing	Yes	No	No	No

As nouns, Turdus iliacus and redwing are synonyms defined as:

Turdus iliacus (noun)	redwing (noun)
small European thrush having reddish flanks	small European thrush having reddish flanks
	North American blackbird with scarlet patches on the wings