Old World oriole vs oscine bird

Old World oriole and oscine bird both are nouns.

Word	Noun	Adjective	Verb	Adverb
Old World oriole	Yes	No	No	No
oscine bird	Yes	No	No	No

As nouns, oscine bird is a hypernym of Old World oriole; that is, oscine bird is a word with a broader meaning than Old World oriole:

Old World oriole: mostly tropical songbird; the male is usually bright orange and black
oscine bird: passerine bird having specialized vocal apparatus

Other hypernyms of Old World oriole include oscine.

Old World oriole (noun)	oscine bird (noun)
mostly tropical songbird; the male is usually bright orange and black	passerine bird having specialized vocal apparatus