family Corvidae vs bird family

family Corvidae and bird family both are nouns.

Word	Noun	Adjective	Verb	Adverb
family Corvidae	Yes	No	No	No
bird family	Yes	No	No	No

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

family Corvidae: crow, raven, rook, jackdaw, chough, magpie, jay
bird family: a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings

family Corvidae (noun)	bird family (noun)
crow, raven, rook, jackdaw, chough, magpie, jay	a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings