ring ouzel vs ring blackbird

ring ouzel and ring blackbird both are nouns.

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

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

ring ouzel and ring blackbird: 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 thrush, Turdus torquatus.

ring ouzel (noun)	ring blackbird (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