Aquila vs bird genus

Aquila and bird genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Aquila	Yes	No	No	No
bird genus	Yes	No	No	No

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

Aquila (noun)	bird genus (noun)
a genus of Accipitridae, containing the true eagles (Aquila)	a genus of birds
the provincial capital of the Abruzzi region in central Italy
a constellation in the Milky Way near Cygnus; contains the star Altair