Sceloglaux vs bird genus

Sceloglaux and bird genus both are nouns.

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

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

Sceloglaux: a genus of Strigidae containing the laughing owl, whekau, or white-faced owl (Sceloglaux)
bird genus: a genus of birds

Sceloglaux (noun)	bird genus (noun)
a genus of Strigidae containing the laughing owl, whekau, or white-faced owl (Sceloglaux)	a genus of birds