Cathartidae vs bird family

Cathartidae and bird family both are nouns.

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

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

Cathartidae: condors; turkey buzzards; king vultures
bird family: a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings

Cathartidae (noun)	bird family (noun)
condors; turkey buzzards; king vultures	a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings