corvine bird vs oscine

corvine bird and oscine both are nouns.

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

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

Other hypernyms of corvine bird include oscine bird.

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

corvine bird (adjective)	oscine (adjective)
	of or relating to the songbirds