Meropidae vs bird family

Meropidae and bird family both are nouns.

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

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

Meropidae: bee-eaters
bird family: a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings

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