scops owl vs Otus scops

scops owl and Otus scops both are nouns.

Word	Noun	Adjective	Verb	Adverb
scops owl	Yes	No	No	No
Otus scops	Yes	No	No	No

As nouns, Otus scops is a hyponym of scops owl; that is, Otus scops is a word with a more specific, narrower meaning than scops owl:

Other hyponyms of scops owl include Old World scops owl, Oriental scops owl, Otus sunia.

scops owl (noun)	Otus scops (noun)
any of several small owls having ear tufts and a whistling call	European scops owl