Tyto alba vs barn owl

Tyto alba and barn owl both are nouns.

Word	Noun	Adjective	Verb	Adverb
Tyto alba	Yes	No	No	No
barn owl	Yes	No	No	No

As nouns, Tyto alba and barn owl are synonyms defined as:

Tyto alba and barn owl: mottled buff and white owl often inhabiting barns and other structures; important in rodent control

Tyto alba (noun)	barn owl (noun)
mottled buff and white owl often inhabiting barns and other structures; important in rodent control	mottled buff and white owl often inhabiting barns and other structures; important in rodent control