Bulloo Overflow, an overflow wetland (from the Bulloo River) providing a wide range of habitats and a major drought refuge for waterbirds , including Stictonetta naevosa (freckled duck) population

Mallee Remnants, are now rare in eastern Australia, and those remaining comprise refuges for mallee-dependent organisms including ANZECC listed and other rare and threatened species.

Paroo Wetlands, massive complex of wetlands providing a wide range of habitats and a major drought refuge for waterbirds (inc freckled duck) . Channels and swamps are densley vegetated with Mueglenbeckia cunninghamii, eucalypts and acacias.

400 plant taxa, 51 reptile species, 34 mammal species and 180 bird species. Most diverse subregion within the SSD bioregion.

The ostrocod crustacean Diacypris sp. A is restricted to Lake Eyre South (Williams 1990)

The Lake Eyre dragon Ctenophorus maculosus is restricted to Lake Eyre and surrounding salt lakes.

Lake Eyre - The terminus of one of the largest endorheic drainage basins in the world, and a major breeding area for waterbirds during periods of inundation. (Morton et al., 1995)

Lake Blanche - an extensive and important distributary and floodout system providing occasional habitat for waterbirds (Morton et al., 1995)

Lake Frome is an extensive saline system providing occasional habitat for waterbirds.