fictional animal vs animal

fictional animal and animal both are nouns.

Word	Noun	Adjective	Verb	Adverb
fictional animal	Yes	No	No	No
animal	Yes	Yes	No	No

As nouns, animal is a hypernym of fictional animal; that is, animal is a word with a broader meaning than fictional animal:

fictional animal: animals that exist only in fiction (usually in children's stories)
animal: a living organism characterized by voluntary movement

Other hypernyms of fictional animal include animate being, beast, brute, creature, fauna.

fictional animal (noun)	animal (noun)
animals that exist only in fiction (usually in children's stories)	a living organism characterized by voluntary movement

fictional animal (adjective)	animal (adjective)
	marked by the appetites and passions of the body