bird of night vs bird of Minerva

bird of night and bird of Minerva both are nouns.

Word	Noun	Adjective	Verb	Adverb
bird of night	Yes	No	No	No
bird of Minerva	Yes	No	No	No

As nouns, bird of night and bird of Minerva are synonyms defined as:

bird of night and bird of Minerva: nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes

Other synonyms of bird of night include hooter, owl.

bird of night (noun)	bird of Minerva (noun)
nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes	nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes