ring ouzel vs thrush

ring ouzel and thrush both are nouns.

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

As nouns, thrush is a hypernym of ring ouzel; that is, thrush is a word with a broader meaning than ring ouzel:

ring ouzel: European thrush common in rocky areas; the male has blackish plumage with a white band around the neck
thrush: songbirds characteristically having brownish upper plumage with a spotted breast

ring ouzel (noun)	thrush (noun)
European thrush common in rocky areas; the male has blackish plumage with a white band around the neck	songbirds characteristically having brownish upper plumage with a spotted breast
	a woman who sings popular songs
	candidiasis of the oral cavity; seen mostly in infants or debilitated adults