Considered by some authors to be a subspecies of Red-rumped Swallow (Cecropis daurica). References See References. Files: More Information Articles about the Sri Lanka Swallow If you would like to read any articles about the Sri Lanka Swallow... Show Articles (0) No Pictures of Sri Lanka Swallow If Birdpedia has no pictures of Sri Lanka Swallow or you would like to see more, then try the following... From BING (2) No Videos of Sri Lanka Swallow If Birdpedia has no videos of Sri Lanka Swallow or you would like to see more, then try the following.. From BING (0)