Centropus vs bird genus

Centropus and bird genus both are nouns.

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

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

Centropus (noun)	bird genus (noun)
a genus of Cuculidae, commonly known as coucals (Centropus)	a genus of birds