Mitsuaki Iwago / Red Kangaroo (Macropus rufus) pair with clearing storm at sunset, Sturt National Park, Australia

Mitsuaki Iwago / Red Kangaroo (Macropus rufus) pair standing in field, Flinders Range National Park, Australia

Michael & Patricia Fogden / Ramsay's Python (Aspidites ramsayi) in the desert near Ayers Rock, Uluru-Kata Tjuta National Park, Australia

Konrad Wothe / King Penguin (Aptenodytes patagonicus) colony on Macquarie Island, sub-Antarctica Australia

Mark Moffett / Central Bluetongue Skink (Tiliqua multifasciata) profile, Heathlands North of Perth, Australia

Michael & Patricia Fogden / Bredl's Carpet Python (Morelia bredli) on cliff, Trephina Gorge National Park, MacDonnell Range, Australia

Norbert Wu / Eastern Grey Kangaroo (Macropus giganteus) group, Australia

Flip Nicklin / Bottlenose Dolphin (Tursiops truncatus) surfacing at sunset, Shark Bay, Australia

Flip Nicklin / Bottlenose Dolphin (Tursiops truncatus) surfacing at sunset, Shark Bay, Australia

Mitsuaki Iwago / Freshwater Crocodile (Crocodylus johnstoni) with an open mouth, Australia