range animal vs beast

range animal and beast both are nouns.

Word	Noun	Adjective	Verb	Adverb
range animal	Yes	No	No	No
beast	Yes	No	No	No

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

range animal: any animal that lives and grazes in the grassy open land of western North America (especially horses, cattle, sheep)
beast: a living organism characterized by voluntary movement

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

range animal (noun)	beast (noun)
any animal that lives and grazes in the grassy open land of western North America (especially horses, cattle, sheep)	a living organism characterized by voluntary movement
	a cruelly rapacious person