tree swallow vs Iridoprocne bicolor

tree swallow and Iridoprocne bicolor both are nouns.

Word	Noun	Adjective	Verb	Adverb
tree swallow	Yes	No	No	No
Iridoprocne bicolor	Yes	No	No	No

As nouns, tree swallow and Iridoprocne bicolor are synonyms defined as:

tree swallow and Iridoprocne bicolor: bluish-green-and-white North American swallow; nests in tree cavities

Other synonyms of tree swallow include white-bellied swallow.

tree swallow (noun)	Iridoprocne bicolor (noun)
of Australia and Polynesia; nests in tree cavities	bluish-green-and-white North American swallow; nests in tree cavities
bluish-green-and-white North American swallow; nests in tree cavities