family Ploceidae vs bird family

family Ploceidae and bird family both are nouns.

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

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

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

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