broadtail vs Ovis aries

broadtail and Ovis aries both are nouns.

Word	Noun	Adjective	Verb	Adverb
broadtail	Yes	No	No	No
Ovis aries	Yes	No	No	No

As nouns, Ovis aries is a hypernym of broadtail; that is, Ovis aries is a word with a broader meaning than broadtail:

broadtail: hardy coarse-haired sheep of central Asia; lambs are valued for their soft curly black fur
Ovis aries: any of various breeds raised for wool or edible meat or skin

Other hypernyms of broadtail include domestic sheep.

broadtail (noun)	Ovis aries (noun)
hardy coarse-haired sheep of central Asia; lambs are valued for their soft curly black fur	any of various breeds raised for wool or edible meat or skin
the fur of a very young karakul lamb