Plataleidae vs bird family

Plataleidae and bird family both are nouns.

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

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

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

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