Hylocichla mustelina vs thrush

Hylocichla mustelina and thrush both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hylocichla mustelina	Yes	No	No	No
thrush	Yes	No	No	No

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

Hylocichla mustelina: large thrush common in eastern American woodlands; noted for its melodious song
thrush: songbirds characteristically having brownish upper plumage with a spotted breast

Hylocichla mustelina (noun)	thrush (noun)
large thrush common in eastern American woodlands; noted for its melodious song	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