Considered by some authors to be a subspecies of Russet-backed Jungle-flycatcher (Cyornis oscillans). References See References. Files: More Information Articles about the Sumba Jungle-flycatcher If you would like to read any articles about the Sumba Jungle-flycatcher... Show Articles (0) No Pictures of Sumba Jungle-flycatcher If Birdpedia has no pictures of Sumba Jungle-flycatcher or you would like to see more, then try the following... From BING (0) No Videos of Sumba Jungle-flycatcher If Birdpedia has no videos of Sumba Jungle-flycatcher or you would like to see more, then try the following.. From BING (0)