corvine bird vs oscine bird

corvine bird and oscine bird both are nouns.

Word	Noun	Adjective	Verb	Adverb
corvine bird	Yes	No	No	No
oscine bird	Yes	No	No	No

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

Other hypernyms of corvine bird include oscine.

corvine bird (noun)	oscine bird (noun)
birds of the crow family	passerine bird having specialized vocal apparatus