Strigidae vs bird family

Strigidae and bird family both are nouns.

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

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

Strigidae: a family of nocturnal birds of the order Strigiformes
bird family: a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings

Strigidae (noun)	bird family (noun)
a family of nocturnal birds of the order Strigiformes	a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings