barred owl vs bird of Minerva

barred owl and bird of Minerva both are nouns.

Word	Noun	Adjective	Verb	Adverb
barred owl	Yes	No	No	No
bird of Minerva	Yes	No	No	No

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

barred owl: large owl of eastern North America having its breast and abdomen streaked with brown
bird of Minerva: nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes

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

barred owl (noun)	bird of Minerva (noun)
large owl of eastern North America having its breast and abdomen streaked with brown	nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes