Andy Rouse / Common wallaroo (Macropus robustus) hopping in late sunlight, Sal Salis, Ningaloo Reef, Cape Range National Park, Western Australia

Andy Rouse / Common wallaroo (Macropus robustus) in late sunlight, Sal Salis, Ningaloo Reef, Cape Range National Park, Western Australia

Steven David Miller / Whiptail wallaby (Macropus parryi). Carnarvon Gorge National Park, Queensland, Australia.

Roland Seitre / Antelopine wallaroo (Macropus antilopinus) with baby in pouch, Australia. Captive.

Martin Willis / Wallaroo (Macropus robustus) mother and joey, Cunnamulla, Queensland, Australia

Roland Seitre / Whiptail Wallaby (Macropus parryi), Australia

Andy Rouse / Common wallaroo (Macropus robustus) sitting silhouetted in late sunlight, Sal Salis, Ningaloo Reef, Cape Range National Park, Western Australia

Andy Rouse / Common wallaroo (Macropus robustus) in late sunlight, Sal Salis, Ningaloo Reef, Cape Range National Park, Western Australia

Andy Rouse / Common wallaroo (Macropus robustus) in late sunlight, Sal Salis, Ningaloo Reef, Cape Range National Park, Western Australia

Dave Watts / Whiptail / Pretty-faced wallaby (Macropus parryi) Southern Queensland, Australia, October

Steven David Miller / Common Wallaroo (Macropus robustus) female on grass. Wilpena, Flinders Ranges National Park, South Australia, June.

Steven David Miller / Wallaroo / Euro {Macropus robustus woodwardi} camouflaged against rocks, Lake Argyle, Kimberley, Western Australia