Glossopsitta vs bird genus

Glossopsitta and bird genus both are nouns.

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

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

Glossopsitta: a genus of Loriinae, containing parrots native to Australia (Glossopsitta)
bird genus: a genus of birds

Glossopsitta (noun)	bird genus (noun)
a genus of Loriinae, containing parrots native to Australia (Glossopsitta)	a genus of birds