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