laughing jackass vs owl

laughing jackass and owl both are nouns.

Word	Noun	Adjective	Verb	Adverb
laughing jackass	Yes	No	No	No
owl	Yes	No	No	No

As nouns, owl is a hypernym of laughing jackass; that is, owl is a word with a broader meaning than laughing jackass:

laughing jackass: almost extinct owl of New Zealand
owl: nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes

Other hypernyms of laughing jackass include bird of Minerva, bird of night, hooter.

laughing jackass (noun)	owl (noun)
Australian kingfisher having a loud cackling cry	nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes
almost extinct owl of New Zealand