owlet vs bird of Minerva

owlet and bird of Minerva both are nouns.

Word	Noun	Adjective	Verb	Adverb
owlet	Yes	No	No	No
bird of Minerva	Yes	No	No	No

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

owlet: young owl
bird of Minerva: nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes

Other hypernyms of owlet include bird of night, hooter, owl.

owlet (noun)	bird of Minerva (noun)
young owl	nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes