family Cracidae vs bird family

family Cracidae and bird family both are nouns.

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

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

family Cracidae: curassows, guans, chachalacas
bird family: a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings

family Cracidae (noun)	bird family (noun)
curassows, guans, chachalacas	a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings