Strix varia vs hooter

Strix varia and hooter both are nouns.

Word	Noun	Adjective	Verb	Adverb
Strix varia	Yes	No	No	No
hooter	Yes	No	No	No

As nouns, hooter is a hypernym of Strix varia; that is, hooter is a word with a broader meaning than Strix varia:

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

Other hypernyms of Strix varia include bird of Minerva, bird of night, owl.

Strix varia (noun)	hooter (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
	a device on an automobile for making a warning noise
	informal terms for the nose