family Upupidae vs bird family

family Upupidae and bird family both are nouns.

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

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

family Upupidae: hoopoes
bird family: a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings

family Upupidae (noun)	bird family (noun)
hoopoes	a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings