yellowthroat vs wood warbler

yellowthroat and wood warbler both are nouns.

Word	Noun	Adjective	Verb	Adverb
yellowthroat	Yes	No	No	No
wood warbler	Yes	No	No	No

As nouns, wood warbler is a hypernym of yellowthroat; that is, wood warbler is a word with a broader meaning than yellowthroat:

yellowthroat: small olive-colored American warblers with yellow breast and throat
wood warbler: small bright-colored American songbird with a weak unmusical song

Other hypernyms of yellowthroat include New World warbler.

yellowthroat (noun)	wood warbler (noun)
small olive-colored American warblers with yellow breast and throat	small bright-colored American songbird with a weak unmusical song
	European woodland warbler with dull yellow plumage