Paradisaeidae vs bird family

Paradisaeidae and bird family both are nouns.

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

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

Paradisaeidae: birds of paradise
bird family: a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings

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