Dave Watts / Eastern grey kangaroo (Macropus giganteus) with joey in pouch, Australian Capital Territory, Australia, September

Jouan & Rius / Koala (Phascolarctos cinereus) juvenile in tree, Otway National Park, Victoria, Australia

Dave Watts / Platypus {Ornithorhynchus anatinus} swimming underwater Tasmania, Australia. Composite.

Dave Watts / Koala with young in tree {Phascolarctos cinereus} Queensland, Australia

Owen Newman / Female red kangaroo backlit in evening sun {Macropus rufus} Sturt NP NSW Australia

Owen Newman / Female Red kangaroo backlit at sunset {Macropus rufus} Sturt NP New South Wales Australia

Owen Newman / Male Red kangaroos fighting {Macropus rufus} Sturt NP, New South Wales Australia

Ingo Arndt / Head portrait of Eastern grey kangaroo {Macropus giganticus} Australia

Cyril Ruoso / Red-necked wallaby (Macropus rufogriseus) in woodland clearing. Population naturalised after escaping from an animal park. Rambouillet forest, Ile-de-France, France. October 2019.

Doug Gimesy / Ringtail possum (Pseudocheirus peregrinus) licks water droplets from a train station bench at night. Gardenvale train station, Gardenvale, Victoria, Australia. September.

Marie Lochman / Numbat (Myrmecobius fasciatus) Wheatbelt Region, Western Australia

Doug Gimesy / Forest and Wildlife officers Lachlan Clarke (right) and Emily Cordy watch as a mother koala (Phascolarctos cinereus) and her joey are released. Editorial use only.

Nick Hawkins / Brown four eyed opossum (Metachirus nudicauda) at night in cloud forest, Choco region, Northwestern Ecuador. Camera trap image.

Doug Gimesy / Koala (Phascolarctos cinereus) in a Eucalyptus tree after recent bushfires, just before having a visual inspection for its health. If it is determined that a closer examination is required to determin...

Doug Gimesy / Rena Gaborov feeding some of her eastern grey kangaroo (Macropus giganteus) orphans in her mother in law's shed. Rena and her partner Joseph had to evacuate their wildlife (wombats, possums and kangar...

Doug Gimesy / Koala (Phascolarctos cinereus) mother and joey are released by Emily Cordy (left/green clothes) - a Forest and Wildlife officer (and assisted by members from the Australian Defence Force) at Log Cros...

Jo-Anne McArthur / We Animals / Koala (Phascolarctos cinereus) female and her joey who survived a bushfire cross a road in Mallacoota, Australia, January 2020

Jo-Anne McArthur / We Animals / A mother Eastern grey kangaroo (Macropus giganteus) and her joey, surrounded by burnt trees. Survivors of a bushfire in Mallacoota, Australia, January 2020. COP26 Countdown Photo Competition 2021 Fina...

Doug Gimesy / Long-nosed potoroo (Potorous tridactylus) portrait showing sharp curved claws on front feet for foraging, Victoria, Australia. Controlled conditions.

Steven David Miller / Eastern grey kangaroo (Macropus giganteus) male standing, Grampians National Park, Victoria, Australia. December.

Steven David Miller / Eastern grey kangaroo (Macropus giganteus) male scratching stomach, Grampians National Park, Victoria, Australia. December.

Steven David Miller / Eastern grey kangaroo (Macropus giganteus), two males fighting. Grampians National Park, Victoria, Australia.

Steven David Miller / Eastern grey kangaroo (Macropus giganteus), two males fighting. Grampians National Park, Victoria, Australia.

Steven David Miller / Eastern grey kangaroo (Macropus giganteus), two males fighting, evenly matched. Grampians National Park, Victoria, Australia.

Steven David Miller / Eastern grey kangaroo (Macropus giganteus) female with joey in pouch, standing beside tree. Grampians National Park, Victoria, Australia.

Jiri Lochman / Stripe-faced dunnart (Sminthopsis macroura); Range NP, Western Australia.

Jiri Lochman / Long-tailed dunnart (Sminthopsis longicaudata) feeding on a tree cricket, Kennedy Range NP, Western Australia.

Jiri Lochman / Fat-tailed dunnart (Sminthopsis crassicaudata) Goongarrie NP, Goldfields Region, Western Australia.

Jiri Lochman / Ningbing pseudantechinus (Pseudantechinus ningbing) Mornington Station, in the Kimberley, Western Australia.

Jiri Lochman / Fat-tailed pseudantechinus (Pseudantechinus macdonnellensis) Picture Hill area, in Great Sandy Desert, Western Australia .

Jiri Lochman / Brush-tailed phascogale (Phascogale tapoatafa) female with young, Kingston Forest, Western Australia, October.

Jiri Lochman / Red-tailed phascogale (Phascogale calura) feeding on a Banksia flower, Wheat-belt Region of Western Australia, Endangered species.

Jiri Lochman / Wongai Ningaui (Ningaui ridei) catching beetle, Goongarrie NP, at the western egde of Great Victoria Desert, Western Australia.

Jiri Lochman / Little red kaluta (Dasykaluta rosamodae) feeding on Ashby's Banksia (Banksia ashbyi) flower, Kennedy Range NP, Western Australia.

Jiri Lochman / Little red kaluta (Dasykaluta rosamodae) feeding on a grasshopper, Great Sandy Desert, Western Australia.

Jiri Lochman / Brush-tailed mulgara (Dasycercus blythi) Little Sandy Desert, Western Australia.

Marie Lochman / Western barred bandicoot (Perameles bougainville) Hairisson Prong, Shark Bay in Western Australia.

Marie Lochman / Fat-tailed dunnart (Sminthopsis crassicaudata) Goongarrie NP in Goldfields Region of Western Australia.

Juergen Freund / Wildlife carer Margit Cianelli with juvenile Lumholtz kangaroo (Dendrolagus lumholtzi) with radio collar. The tree kangaroo has a radio collar to allow her to explore her forest surroundings ready for...

Juergen Freund / Margit Cianelli wildlife carer with young Lumholtz kangaroos (Dendrolagus lumholtzi), one with a radio collar. The tree kangaroo has a radio collar to allow her to explore her forest surroundings read...

Juergen Freund / Wildlife carer Margit Cianelli with young year old Lumholtz tree kangaroo (Dendrolagus lumholtzi) with radio collar. This kangaroo was raised by Magrit who allows the juvenile to explore the forest re...

Juergen Freund / Margit Cianelli with Lumholtz tree kangaroo (Dendrolagus lumholtzi) 'Kimberley', a kangaroo she raised from a baby, now living in nearby forest with her own joey. Lumholtz Lodge, Atherton Tabl...

Juergen Freund / Northern quoll (Dasyurus hallucatus) orphan babies, sleeping on hot water bottle, Atherton Tablelands, Queensland, Australia.

David Gallan / Spotted-tailed quoll (Dasyurus maculatus) scent marking in Monga National Park, New South Wales, Australia. Remote camera, triggered by movement. Highly Commended 2018 Wildlife Photographer Of The Yea...

Jiri Lochman / Burrowing Bettong / Boodie (Bettongia lesueur) looking around at night. Dorre Island, Shark Bay, Western Australia.