Up until around 2006/7 the Little Grassbird's whistling call was frequently heard from areas of thick Cumbungi along Campbells Creek. It seems to have disappeared from here since then.
Hear this bird at the Xeno-Canto web site.
Hear, read about and see more of this bird at the Birds in Backyards web site.
Or find even more information about this bird at the Google web site.