ring ouzel vs Turdus torquatus

ring ouzel and Turdus torquatus both are nouns.

Word	Noun	Adjective	Verb	Adverb
ring ouzel	Yes	No	No	No
Turdus torquatus	Yes	No	No	No

As nouns, ring ouzel and Turdus torquatus are synonyms defined as:

ring ouzel and Turdus torquatus: European thrush common in rocky areas; the male has blackish plumage with a white band around the neck

Other synonyms of ring ouzel include ring blackbird, ring thrush.

ring ouzel (noun)	Turdus torquatus (noun)
European thrush common in rocky areas; the male has blackish plumage with a white band around the neck	European thrush common in rocky areas; the male has blackish plumage with a white band around the neck