Otus asio vs bird of Minerva

Otus asio and bird of Minerva both are nouns.

Word	Noun	Adjective	Verb	Adverb
Otus asio	Yes	No	No	No
bird of Minerva	Yes	No	No	No

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

Otus asio: small North American owl having hornlike tufts of feathers whose call sounds like a quavering whistle
bird of Minerva: nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes

Other hypernyms of Otus asio include bird of night, hooter, owl.

Otus asio (noun)	bird of Minerva (noun)
small North American owl having hornlike tufts of feathers whose call sounds like a quavering whistle	nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes