Otus asio vs owl

Otus asio and owl both are nouns.

Word	Noun	Adjective	Verb	Adverb
Otus asio	Yes	No	No	No
owl	Yes	No	No	No

As nouns, owl is a hypernym of Otus asio; that is, owl 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
owl: 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 Minerva, bird of night, hooter.

Otus asio (noun)	owl (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