ring ouzel vs ring thrush

ring ouzel and ring thrush both are nouns.

Word	Noun	Adjective	Verb	Adverb
ring ouzel	Yes	No	No	No
ring thrush	Yes	No	No	No

As nouns, ring ouzel and ring thrush are synonyms defined as:

ring ouzel and ring thrush: 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, Turdus torquatus.

ring ouzel (noun)	ring thrush (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