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

WILLIAM OSBORN / Antilopine wallaroo {Macropus antilopinus}, male portrait, Northern Territory, Australia

Chris Taylor / Agile wallaby (Notamacropus agilis), portrait. Occurs in Australia and New Guinea. Captive.

Anup Shah / Two Antilopine kangaroos {Macropus antilopinus} captive

Roland Seitre / Antelopine wallaroo (Macropus antilopinus) Australia. Captive.

Roland Seitre / Antilopine kangaroo (Macropus antilopinus) baby in pouch, Australia. Captive.

Etienne Littlefair / Antilopine wallaroo (Osphranter antilopinus) female, standing alert, feeding on grass, portrait, Adelaide River Hills, Northern Territory, Australia.

Etienne Littlefair / Two Antilopine wallaroo (Osphranter antilopinus), females, moving through dry savanna, Adelaide River Hills, Northern Territory, Australia.

Etienne Littlefair / Antilopine wallaroo (Macropus antilopinus) young adult male, Marrakai, Northern Territory, Australia, February.