Anhimidae vs bird family

Anhimidae and bird family both are nouns.

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

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

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

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