Hylocichla guttata vs thrush

Hylocichla guttata and thrush both are nouns.

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

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

Hylocichla guttata: North American thrush noted for its complex and appealing song
thrush: songbirds characteristically having brownish upper plumage with a spotted breast

Hylocichla guttata (noun)	thrush (noun)
North American thrush noted for its complex and appealing 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