Iridoprocne bicolor vs tree swallow

Iridoprocne bicolor and tree swallow both are nouns.

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

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

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

Other synonyms of Iridoprocne bicolor include white-bellied swallow.

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