animal vs being

animal and being both are nouns.

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

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

animal: a living organism characterized by voluntary movement
being: a living thing that has (or can develop) the ability to act or function independently

Other hypernyms of animal include organism.

animal (noun)	being (noun)
a living organism characterized by voluntary movement	a living thing that has (or can develop) the ability to act or function independently
	the state or fact of existing

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