fauna vs animate being

fauna and animate being both are nouns.

Word	Noun	Adjective	Verb	Adverb
fauna	Yes	No	No	No
animate being	Yes	No	No	No

As nouns, fauna and animate being are synonyms defined as:

fauna and animate being: a living organism characterized by voluntary movement

Other synonyms of fauna include animal, beast, brute, creature.

fauna (noun)	animate being (noun)
a living organism characterized by voluntary movement	a living organism characterized by voluntary movement
all the animal life in a particular region or period