Numididae vs bird family

Numididae and bird family both are nouns.

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

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

Numididae: guinea fowl and related birds of Africa and Madagascar
bird family: a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings

Numididae (noun)	bird family (noun)
guinea fowl and related birds of Africa and Madagascar	a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings