Eurylaimidae vs bird family

Eurylaimidae and bird family both are nouns.

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

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

Eurylaimidae: coextensive with the suborder Eurylaimi
bird family: a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings

Eurylaimidae (noun)	bird family (noun)
coextensive with the suborder Eurylaimi	a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings