Juergen Freund / Paddy melon (Cucumis myriocarpus) growing in red sand dunes of the outback. It is a prostrate or climbing annual herb occurs in southern Africa and is a weed in Australia, South Australia, Australia

Juergen Freund / Gibber rocks with heat mirage in the background. Gibber rocks are generally angular fragments formed from broken up duricrust, usually silcrete, a hardened crust of soil cemented by silica. South Aus...

Juergen Freund / The Milky Way star over South Australia, Australia, July 2011

Juergen Freund / Water in between the sand dunes of the Simpson Desert, South Australia, Australia, July 2011

Juergen Freund / Long haired rat (Rattus villosissimus) Mungerannie Waterhole, South Australia, Australia

Juergen Freund / Sand dunes and footprints in the Simpson desert regional reserve, South Australia, Australia

Juergen Freund / Gibber rock and pebble littered area of arid or semi-arid country in Australia. The rocks are generally angular fragments formed from broken up duricrust, usually silcrete, a hardened crust of soil ce...

Juergen Freund / Claypan in the desert at Cowarie cattle Station, South Australia

Juergen Freund / Regal bird flower (Crotalaria cunninghamii) South Australia

Juergen Freund / Camel Bush (Trichodesma zeylanicum) flowers growing in Australian desert, South Australia, Australia

Juergen Freund / Camel Bush (Trichodesma zeylanicum) flowers growing in Australian desert, South Australia, Australia

Juergen Freund / Poached egg daisies (Polycalymma stuartii) growing in Australian desert, South Australia, Australia

Juergen Freund / Wildflowers in sand dunes by Warburton River near Cowarie Station, South Australia

Juergen Freund / Emu (Dromaius novaehollandiae) mob in the outback, South Australia, Australia

Juergen Freund / Desert wild flowers against the red sand dunes, South Australia, Australia

Juergen Freund / Desert wild flowers against the red sand dunes, South Australia, Australia

Juergen Freund / Blanche Cup mound springs surrounded by salt fields. an artesian spring which deposits sediment around it forming a dome. Wabma Kadarbu Mound Springs Conservation Park, South Australia, June 2011

Juergen Freund / Dry lakes or ephemeral lakebeds consisting of fine-grained sediments infused with alkali salts. South Australia, Australia

Juergen Freund / Desert Mouse (Pseudomys desertor) large group, Halligan Bay, South Australia, Australia. Endemic.

Juergen Freund / Dusky Hopping Mouse (Notomys fuscus) Halligan Bay, Lake Eyre National Park, South Australia. Vulnerable species.

Juergen Freund / Desert Mouse (Pseudomys desertor) large group, South Australia, Australia. Endemic.

Juergen Freund / Desert Mouse (Pseudomys desertor) South Australia, Australia. Endemic

Juergen Freund / Dry cracked desert soil with remnants of water along the Oodnadatta Track in between sand dunes, South Australia, June 2011

Juergen Freund / Dry cracked desert soil along the Oodnadatta Track, with skull, South Australia, June 2011

Juergen Freund / Sand dunes and swales showing tracks, near Oodnadatta Track, South Australia, June 2011

Juergen Freund / Paddy melon (Cucumis myriocarpus) growing in red sand dunes of the outback. It is a prostrate or climbing annual herb native to southern Africa and is a weed in Australia, South Australia, Australia

Juergen Freund / Crested Pigeons (Ocyphaps lophotes) in the desert, South Australia, Australia

Juergen Freund / Queensland Government Warning for travelers going to the Simpson Desert, Queensland, Australia

Juergen Freund / Discarded truck tyre in the dry red desert of the Australian centre by the highway between Mt. Isa and Boulia. Queensland, Australia, February 2008

Juergen Freund / Discarded truck tyre in the dry red desert of the Australian centre by the highway between Mt. Isa and Boulia. Queensland, Australia, February 2008

Juergen Freund / One small tree in a desert of Western Australia