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