Hemiprocnidae vs bird family

Hemiprocnidae and bird family both are nouns.

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

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

Hemiprocnidae: tree swifts
bird family: a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings

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