Roland Seitre / Greater bilby (Macrotis lagotis) baby in pouch, vulnerable species, captive, at breeding station, Australia

Roland Seitre / Greater bilby (Macrotis lagotis) two babies, vulnerable species, captive, Adelaide Zoo, South Australia

Roland Seitre / Greater bilby (Macrotis lagotis) female with two babies, vulnerable species, captive, Adelaide Zoo, South Australia

Roland Seitre / Southern bluefin tuna (Thunnus maccoyii) in fish cage of fish farm, Port Lincoln, South Australia, Critically Endangered species. Wild caught fish are reared in large fish cages for maximum growth bef...

Nigel Marven / Solander's petrel {Pterodroma solandri} on Lord Howe Island, Australia

John Cancalosi / Shingleback lizard portrait {Trachydosaurus rugosus} Australia

Pete Oxford / Eastern grey kangaroo resting {Macropus giganteus} Tasmania, Australia.

Juergen Freund / Shovelnose ray {Rhinobatos batillum} Great Barrier Reef, Queensland, Australia

Roland Seitre / Dingo (Canis lupus spp dingo) crossing Astrelba Downs, Bedourie, Queensland, Australia, August, vulnerable species

Roland Seitre / Southern bluefin tuna (Thunnus maccoyi) in fish farm, MFE Tuna farming, Port Lincoln, South Australia, June 2009, a critically endangered fish

Roland Seitre / Greater bilby (Macrotis lagotis) sniffing the air, note the large whiskers which help with sensory detection, vulnerable species, captive, at breeding station, Australia

Roland Seitre / Manual capture and preprocessing of Southern bluefin tuna (Thunnus maccoyi) in fish farm, MFE Tuna farming, Port Lincoln, South Australia, June 2009, a critically endangered fish