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