bobolink vs oriole

bobolink and oriole both are nouns.

Word	Noun	Adjective	Verb	Adverb
bobolink	Yes	No	No	No
oriole	Yes	No	No	No

As nouns, oriole is a hypernym of bobolink; that is, oriole is a word with a broader meaning than bobolink:

Other hypernyms of bobolink include American oriole, New World oriole.

bobolink (noun)	oriole (noun)
migratory American songbird	American songbird; male is black and orange or yellow
	mostly tropical songbird; the male is usually bright orange and black