Caprimulgidae vs bird family

Caprimulgidae and bird family both are nouns.

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

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

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

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