chimney swallow vs Chateura pelagica

chimney swallow and Chateura pelagica both are nouns.

Word	Noun	Adjective	Verb	Adverb
chimney swallow	Yes	No	No	No
Chateura pelagica	Yes	No	No	No

As nouns, chimney swallow and Chateura pelagica are synonyms defined as:

chimney swallow and Chateura pelagica: American swift that nests in e.g. unused chimneys

Other synonyms of chimney swallow include chimney swift.

chimney swallow (noun)	Chateura pelagica (noun)
common swallow of North America and Europe that nests in barns etc.	American swift that nests in e.g. unused chimneys
American swift that nests in e.g. unused chimneys