Doug Gimesy / Portrait of Emu (Dromaius novaehollandiae). Kangaroo Island, South Australia, Australia.

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

Inaki Relanzon / Remarkable Rocks at night, Flinders Chase National Park, Kangaroo Island, South Australia State, Australia, September 2011.

Inaki Relanzon / Australian Sea Lion (Neophoca cinerea) sitting on beach with one flipper up, Seal Bay Conservation Park, Kangaroo Island, South Australia State, Australia.

Alex Mustard / A pair of Australian Sea Lions (Neophoca cinerea) socialising in the shallows. Kangaroo Island, South Australia, Australia. Southern Ocean. November

Alex Mustard / An Australian Sea Lion (Neophoca cinerea) bathing in the sun at the surface. Kangaroo Island, South Australia, Australia. Southern Ocean. November

Jouan & Rius / Australian pelican (Pelecanus conspicillatus), Kangaroo Island, South Australia, Australia

Jouan & Rius / Australian pelicans (Pelecanus conspicillatus) on the water, Kangaroo Island, South Australia, Australia

Jouan & Rius / Eagle Rock, Remarkable Rock site, Flinders Chase National Park, Kangaroo Island, South Australia, Australia

Jouan & Rius / Remarkable Rock site, Flinders Chase National Park, Kangaroo Island, South Australia, Australia

Jouan & Rius / Tammar wallaby (Macropus eugenii), Kangaroo Island, South Australia, Australia

Jouan & Rius / Remarkable Rock site, Flinders Chase National Park, Kangaroo Island, South Australia, Australia

Suzi Eszterhas / Koala (Phascolarctos cinereus) mother and joey, Kangaroo Island, Australia

Juergen & Christine Sohns / Koala (Phascolarctos cinereus), Parndana, Kangaroo Island, South Australia, Australia

Martin Willis / Allied Rock Wallaby (Petrogale assimilis) mother with joey, Magnetic Island, Queensland, Australia

Gerry Ellis / Australian Sea Lion (Neophoca cinerea), Kangaroo Island, Australia

Gerry Ellis / Australian Sea Lion (Neophoca cinerea) female coming ashore, Kangaroo Island, Australia

Mitsuaki Iwago / Platypus (Ornithorhynchus anatinus) on shoreline, Kangaroo Island, Australia

Mitsuaki Iwago / Australian Sea Lion (Neophoca cinerea) scratching itself, Kangaroo Island, Australia

Mitsuaki Iwago / Koala (Phascolarctos cinereus) male crossing the forest floor, Kangaroo Island, Australia

Mitsuaki Iwago / Koala (Phascolarctos cinereus) forepaw detail, Kangaroo Island, Australia

Jiri Lochman / Burrowing Bettong or Boodie (Bettongia lesueur) feeding, on Barrow Island, Shark Bay UNESCO Natural World Heritage Site, Western Australia.

Jiri Lochman / Burrowing Bettong or Boodie (Bettongia lesueur), on Faure Island, Shark Bay UNESCO Natural World Heritage Site, Western Australia.

Doug Gimesy / Tammar wallaby (Macropus eugenii) standing up eating Eucalyptus leaves. Kanagaroo Island, Australia.

Doug Gimesy / Kangaroo island echidna (Tachyglossus aculeatus multiaculeatus) walking through the bush past a native grass. Kangaroo Island, South Australia. Endemic.

Doug Gimesy / Kangaroo island echidna (Tachyglossus aculeatus multiaculeatus), a sub-species of the mainland species, crosses a dirt road. Kangaroo Island, South Australia, Australia. Endemic.

Doug Gimesy / Australian sea lion (Neophoca cinerea) basking in the sun. Sandy Bay, Kangaroo Island, South Australia, Australia. January

Doug Gimesy / Orphaned rescued baby koala in care (Phascolarctos cinereus) holds onto a toy koala. Kangaroo Island, South Australia, Australia. January.

Doug Gimesy / Coastline on a sunny day. Stokes Bay area, Kangaroo Island, South Australia, Australia. January 2016

Doug Gimesy / Rosenberg's goanna (Varanus rosenbergi) Kangaroo Island. South Australia, Australia. January.

Doug Gimesy / Kangaroo Island kangaroos (Macropus fuliginosus fuliginosus), on a grass covered ridge. Kangaroo Island, South Australia, Australia. January 2016

Doug Gimesy / Wildlife carer holds a Western Pygmy possum (Cercartetus concinnus), that lives in a nesting box just outside her house, Kangaroo island, Australia. January, 2016

Doug Gimesy / Portrait of a rescued Barn owl (Tyto alba). Captive, Kangaroo Island, South Australia, Australia.

Doug Gimesy / Two Kangaroo Island kangaroo joeys (Macropus fuliginosus fuliginosus), embracing each other on a cool winter morning. Grassdale, Kangaroo Island, South Australia, Australia. July 2015

Doug Gimesy / Kangaroo Island kangaroo joey (Macropus fuliginosus fuliginosus), rests in a home-made artificial pouch. This kangaroo was rescued from the pouch of a mother that was killed by a car impact. Kangaroo...

Doug Gimesy / Portrait of the Australian wedge-tailed eagle (Aquila audax) Kangaroo Island, South Australia, Australia.

Enrique Lopez-Tapia / Red kangaroo (Macropus rufus) grazing. Phillip Island, Victoria, Australia. Captive.

Enrique Lopez-Tapia / Red kangaroo (Macropus rufus) grazing. Phillip Island, Victoria, Australia. Captive.

Enrique Lopez-Tapia / Red kangaroo (Macropus rufus) grazing in grassland, two Emu (Dromaius novaehollandiae) in background. Phillip Island, Victoria, Australia. September 2008. Captive.

Doug Gimesy / Australian sea lion (Neophoca cinerea) basking in the sun. Sandy Bay, Kangaroo Island, South Australia, Australia.

Doug Gimesy / Australian sea lion (Neophoca cinerea) basking in the sun. Sandy Bay, Kangaroo Island, South Australia, Australia.

Doug Gimesy / Small mob of Kangaroo Island kangaroos (Macropus fuliginosus fuliginosus) grazing in fields in morning sun. Kangaroo Island, South Australia, Australia.

Doug Gimesy / Kangaroo Island kangaroo (Macropus fuliginosus fuliginosus) portrait,with rare facial markings. Kangaroo Island, South Australia, Australia. January, 2016

Doug Gimesy / Kangaroo Island kangaroo (Macropus fuliginosus fuliginosus) on grassland, a reclaimed farming property and now part of the Kelly Hill conservation park, Kangaroo Island, South Australia, Australia.