Passeridae vs bird family

Passeridae and bird family both are nouns.

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

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

Passeridae: true sparrows: Old world birds formerly considered weaverbirds
bird family: a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings

Passeridae (noun)	bird family (noun)
true sparrows: Old world birds formerly considered weaverbirds	a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings