Tyto vs bird genus

Tyto and bird genus both are nouns.

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

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

Tyto (noun)	bird genus (noun)
type and only genus of the family Tytonidae	a genus of birds