chimney swift vs Chateura pelagica

chimney swift and Chateura pelagica both are nouns.

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

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

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

Other synonyms of chimney swift include chimney swallow.

chimney swift (noun)	Chateura pelagica (noun)
American swift that nests in e.g. unused chimneys	American swift that nests in e.g. unused chimneys