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