vulture vs Aegypiidae

vulture and Aegypiidae both are nouns.

Word	Noun	Adjective	Verb	Adverb
vulture	Yes	No	No	No
Aegypiidae	Yes	No	No	No

As nouns, Aegypiidae is a hyponym of vulture; that is, Aegypiidae is a word with a more specific, narrower meaning than vulture:

vulture: any of various large diurnal birds of prey having naked heads and weak claws and feeding chiefly on carrion
Aegypiidae: in some classifications considered the family comprising the Old World vultures which are more often included in the family Accipitridae

Other hyponyms of vulture include family Aegypiidae, Old World vulture, cathartid, New World vulture.

vulture (noun)	Aegypiidae (noun)
any of various large diurnal birds of prey having naked heads and weak claws and feeding chiefly on carrion	in some classifications considered the family comprising the Old World vultures which are more often included in the family Accipitridae
someone who attacks in search of booty