Steven David Miller / Whistling kites (Haliastur sphenurus) two in flight, one with prey in talons, over Corroboree Billabong, Mary River, Northern Territory, Australia

Steven David Miller / Australian freshwater / Johnstone's crocodile (Crocodylus johnsoni) with fish in mouth, a scrap from a fisherman, Lake Kununurra, Western Australia, July

Steven David Miller / Australian freshwater / Johnstone's crocodile (Crocodylus johnsoni) with damaged upper jaw in shallow water waiting for a scrap from a fisherman, Lake Kununurra, Western Australia, July

Steven David Miller / Subtropical rainforest growing in a creek gully, while at higher levels a mixed forest begins. Fraser Island, Queensland, Australia

Steven David Miller / Masked lapwing / plover (Vanellus miles novaehollandiae) chick walking, Hervey Bay, Queensland, Australia

Steven David Miller / Large solar panels for generating electricity by solar power, Hermannsburg, west of Alice Springs, Northern Territory, Australia, August 2007

Steven David Miller / Emu (Dromaius novaehollandiae) walking on road through saltbush habitat, Mungo National Park, New South Wales, Australia, 2007

Steven David Miller / A rock art shelter in the northern Kimberley region features a cluster of Wandjina figures peering out from the sandstone rock surface, Northern Kimberley region and the Mitchell Plateau, Western Aust...

Steven David Miller / White-lipped / Giant tree frog (Litoria infrafrenata) on palm tree, Cairns, North Queensland, Australia

Steven David Miller / Large solar panels for generating electricity by solar power, Hermannsburg, west of Alice Springs, Northern Territory, Australia, August 2007

Steven David Miller / Bradshaw rock art / Gwion Gwion, Northern Kimberley region and the Mitchell Plateau, Western Australia

Steven David Miller / Cattle Egret {Ardea ibis} on nest with chicks, summer, Caversham Wildlife Park, Perth, Western Australia, captive

Steven David Miller / Cuban tree frog (Osteopilus septentrionalis) native of West Indies introduced into Florida, USA

Steven David Miller / The Pinnacles, remnant columns in an eroded limestone plateau, Nambung National Park, Western Australia

Steven David Miller / Australian birdwing butterfly {Ornithoptera priamus} male on flower. Captive. Australia.

Duncan Mcewan / Miller moth larva on birch leaf, UK

Steven David Miller / Snorkler at Blue hole, head spring that feeds Ichetucknee river, Florida, USA, Model released

Steven David Miller / Blue Lake in extinct volcano crater, Mt Gambier. Supplies 36K million litres water to town below. South Australia

Steven David Miller / Bottlenose dolphin abstract {Tursiops truncatus} Shark Bay, Australia

Steven David Miller / Perentie {Varanus giganteus} Northern Territory, Australia, Alice Springs Reptile Park - largest Australian monitor lizard

Steven David Miller / Striated green heron (Butorides striatus) on mangrove tree branch, Yellow Waters wetland, South Alligator River, Kakadu National Park, Northern Territory, Australia

Steven David Miller / Rose crowned fruit dove (Ptilinopus regina) resting on branch, Northern Territory Wildlife Park, Darwin, Australia, captive

Steven David Miller / Little Corella (Cacatua sanguinea) pair perched in tree together, Mary River, Northern Territory, Australia

Steven David Miller / Little Corella (Cacatua sanguinea) pair preening, Mary River, Northern Territory, Australia

Steven David Miller / Lesser Sooty Owl (Tyto multipunctata) perched on tree trunk. Wildlife Dome, Cairns, Queensland, Australia, Captive (wild bird brought in after being injured)

Steven David Miller / Lesser Sooty Owl (Tyto multipunctata) sleeping on tree trunk. Wildlife Dome, Cairns, Queensland, Australia, captive (wild bird brought in after being injured)

Steven David Miller / Great grey bowerbird (Chlamydera nuchalis) bower of a male bird showing the bird's attraction to white objects which it uses to decorate the 'runway' of the bower, Berry Springs, Northern Territory,...

Steven David Miller / Australian Freshwater crocodile (Crocodylus johnstoni) rests and warms in the sun on the banks of the upper Ord River accessed from Kununurra in Western Australia

Steven David Miller / Australian Freshwater crocodile (Crocodylus johnstoni) Tumbling Waters Caravan Park, Northern Territory, Australia

Steven David Miller / Australian Freshwater crocodile (Crocodylus johnstoni) raising body temperature in sun, sometimes it will open mouth to cool off, Tumbling Waters Caravan Park, Northern Territory, Australia

Steven David Miller / Australian Freshwater crocodile (Crocodylus johnstoni) raising body temperature in sun, Mary River, Northern Territory, Australia

Steven David Miller / Saltwater crocodile (Crocodylus porosus) warming body temperature in sun, Mary River, Northern Territory, Australia

Steven David Miller / Saltwater crocodile (Crocodylus porosus) tail scales just above water surface, Mary River, Northern Territory, Australia

Steven David Miller / Emu (Dromaius novaehollandiae) eggs in nest, Northern Territory Wildlife Park, Darwin, Australia

Steven David Miller / Dingo (Canis dingo) resting portrait, Australia

Steven David Miller / Common Tree snake (Dendrelaphis punctulata) swimming, Mary River, Northern Territory, Australia

Steven David Miller / Brolga cranes (Grus rubicunda) adult and juvenile fishing in wetland, Corroboree Billabong, Mary River, Northern Territory, Australia

Steven David Miller / Brolga crane (Grus rubicunda) fishing in wetland, Corroboree Billabong, Mary River, Northern Territory, Australia

Steven David Miller / Brolga cranes (Grus rubicunda) adults and juvenile fishing in wetland, Corroboree Billabong, Mary River, Northern Territory, Australia

Steven David Miller / Australasian or Yellow Figbird (Sphecotheres vieilloti) Port Douglas, Queensland, Australia, captive (wild bird in rehab centre)

Alex Hyde / Disused limestone quarry supporting a wide range of vegetation. Miller's Dale, Peak District National Park, Derbyshire, UK, June 2008.

Steven David Miller / Female Black and yellow garden spider (Argiope aurantia) on web, Naples, Southwest Florida, USA, September

Steven David Miller / Small flock of Wandering whistling-duck (Dendrocygna arcuata), Parry Lagoons Nature Reserve, Wyndham, Western Australia, July

Steven David Miller / Common raccoon (Procyon lotor), Naples, Southwest Florida, USA, March

Steven David Miller / Juvenile Pied heron (Egretta picata) wading in water, hunting, Parry Lagoons Nature Reserve, Wyndham, Western Australia, July

Steven David Miller / Pied heron (Egretta picata) standing on a Giant water lily (Nymphaea gigantea) pad, Parry Lagoons Nature Reserve, Wyndham, Western Australia, July

Steven David Miller / Little pied cormorant (Microcarbo melanoleucos) with prey in bill, Parry Lagoons Nature Reserve, Wyndham, Western Australia, July

Steven David Miller / Flambeau / Julia butterfly (Dryas iulia) gathering nectar on flower in butterfly enclosure, Naples Botanical Gardens, Florida, USA, December

Steven David Miller / Green Anole (Anolis carolinensis) on a Bromeliad (Bromeliaceae) leaf, Naples Botanical Gardens, Southwest Florida, USA, March

Steven David Miller / Green Anole (Anolis carolinensis) on a Bromeliad (Bromeliaceae) leaf, Naples Botanical Gardens, Southwest Florida, USA, March

Steven David Miller / Green Anole (Anolis carolinensis) on a Bromeliad (Bromeliaceae) leaf, Naples Botanical Gardens, Southwest Florida, USA, March

Steven David Miller / Male Forest kingfisher / Blue kingfisher / Macleay kingfisher (Todiramphus macleayii), Mary River, Northern Territory, Australia, June

Steven David Miller / Atala butterfly / Florida atala butterfly (Eumaeus atala) gathering nectar on flower in Butterfly Enclosure, Naples Botanical Gardens, Florida, USA, December

Steven David Miller / Burrowing owl (Athene cunicularia) standing at burrow entrance, Cape Coral, Florida, USA, November

Steven David Miller / Sulphur-crested cockatoo (Cacatua galerita) perched on branch, Grampians National Park, Victoria, Australia, May

Steven David Miller / Sulphur-crested cockatoo (Cacatua galerita) perched on branch, Grampians National Park, Victoria, Australia, May

Steven David Miller / Sulphur-crested cockatoo (Cacatua galerita) perched on branch, Grampians National Park, Victoria, Australia, May

Steven David Miller / Australian ringneck / Port Lincoln parrot (Barnardius zonarius) perched on branch, Alice Springs, Northern Territory, Australia, June

Steven David Miller / Mertens' water monitor (Varanus mertensi) walking through grass, note skin shedding around head, Lake Kununurra, Western Australia, July

Steven David Miller / Mertens' water monitor (Varanus mertensi) profile, note skin shedding around head, Lake Kununurra, Western Australia, July

Steven David Miller / Mertens' water monitor (Varanus mertensi) profile, walking through grass, Lake Kununurra, Western Australia, July

Steven David Miller / Australian freshwater / Johnstone's crocodile (Crocodylus johnsoni) on sand bank walking towards water, Ord River, Kununurra, Western Australia, July

Steven David Miller / Emu (Dromaius novaehollandiae) foraging, Flinders Ranges National Park, South Australia, June

Steven David Miller / Eastern grey kangaroo (Macropus giganteus) joey drinking from mother's pouch, Grampians National Park, Victoria, Australia, May

Steven David Miller / Female Eastern grey kangaroo (Macropus giganteus) standing next to joey, Grampians National Park, Victoria, Australia, May

Steven David Miller / Female Eastern grey kangaroo (Macropus giganteus) standing in grass with joey looking out of pouch, Grampians National Park, Victoria, Australia, May

Steven David Miller / Female Eastern grey kangaroo (Macropus giganteus) resting in grass, Grampians National Park, Victoria, Australia, May

Steven David Miller / Eastern grey kangaroo (Macropus giganteus) pair mating, Grampians National Park, Victoria, Australia, May

Steven David Miller / Eastern grey kangaroo (Macropus giganteus) pair mating, Grampians National Park, Victoria, Australia, May

Steven David Miller / Dingo (Canis lupus dingo) probably part domestic camp dog, running through campground, Kakadu National Park, Northern Territory, Australia, June

Steven David Miller / Crimson rosella (Platycercus elegans) perched on branch, Grampians National Park, Victoria, Australia, May

Steven David Miller / Crimson rosella (Platycercus elegans) perched on branch, Grampians National Park, Victoria, Australia, May

Steven David Miller / Black-footed / Black-flanked rock wallaby (Petrogale lateralis) joey looking out of mother's pouch, Heavitree Gap, Alice Springs, Northern Territory, Australia, June

Steven David Miller / Black-footed / Black-flanked rock wallaby (Petrogale lateralis) joey looking out of mother's pouch, Heavitree Gap, Alice Springs, Northern Territory, Australia, June

Steven David Miller / Female Black-footed / Black-flanked rock wallaby (Petrogale lateralis) with joey looking out of pouch, Heavitree Gap, Alice Springs, Northern Territory, Australia, June

Steven David Miller / Black-footed / Black-flanked rock wallaby (Petrogale lateralis) foraging for food, Heavitree Gap, Alice Springs, Northern Territory, Australia, June

Steven David Miller / People walking along the Hervey Bay Jetty in the Great Sandy Strait Marine Park. Queensland, Australia October 2009

Steven David Miller / Participants in the annual Henley-on-Todd yachting and boat regatta held in the dry bed of the Todd River, Alice Springs, Northern Territory, Australia, August 2007

Steven David Miller / Participants in the annual Henley-on-Todd yachting and boat regatta held in the dry bed of the Todd River, Alice Springs, Northern Territory, Australia, August 2007

Steven David Miller / Female Western grey / Black-faced / Mallee kangaroo (Macropus fuliginosus) feeding with joey looking out of pouch, Flinders Ranges National Park, South Australia, May

Steven David Miller / Western grey / Black-faced / Mallee kangaroo (Macropus fuliginosus) joey looking out of pouch, Flinders Ranges National Park, South Australia, May

Steven David Miller / Western grey / Black-faced / Mallee kangaroo (Macropus fuliginosus) joey looking out of pouch, Flinders Ranges National Park, South Australia, May

Steven David Miller / Female Western grey / Black-faced / Mallee kangaroo (Macropus fuliginosus) foraging with joey looking out of pouch, Flinders Ranges National Park, South Australia, May

Steven David Miller / Western grey / Black-faced / Mallee kangaroo (Macropus fuliginosus) joey looking out of pouch, Flinders Ranges National Park, South Australia, June

Steven David Miller / Western grey / Black-faced / Mallee kangaroo (Macropus fuliginosus) joey looking out of pouch, Flinders Ranges National Park, South Australia, June

Steven David Miller / Emu (Dromaius novaehollandiae) portrait, Erldunda, Northern Territory, Central Australia, June

Steven David Miller / Black-necked stork / Jabiru (Ephippiorhynchus asiaticus) pair displaying on nest with fledgling, male on the left, captive, The Wildlife Habitat, Port Douglas, Queensland, Australia, August

Steven David Miller / Female Bennett's tree kangaroo (Dendrolagus bennettianus) sitting in tree, captive in breeding program, The Wildlife Habitat, Port Douglas, North Queensland, Australia, August

Steven David Miller / Female Bennett's tree kangaroo (Dendrolagus bennettianus) sitting in tree, captive in breeding program, The Wildlife Habitat, Port Douglas, North Queensland, Australia, August

Steven David Miller / Humpback Whale (Megaptera novaeangliae) breaching. Hervey Bay, Queensland, Australia, August. Sequence 1 of 9.

Steven David Miller / Humpback Whale (Megaptera novaeangliae) breaching. Hervey Bay, Queensland, Australia, August. Sequence 4 of 9.

Steven David Miller / Humpback Whale (Megaptera novaeangliae) breaching. Hervey Bay, Queensland, Australia, August. Sequence 3 of 9.

Steven David Miller / Humpback Whale (Megaptera novaeangliae) breaching. Hervey Bay, Queensland, Australia, August. Sequence 5 of 9.

Steven David Miller / Humpback Whale (Megaptera novaeangliae) breaching. Hervey Bay, Queensland, Australia, August. Sequence 2 of 9.

Steven David Miller / Humpback Whale (Megaptera novaeangliae) breaching. Hervey Bay, Queensland, Australia, August. Sequence 7 of 9.

Steven David Miller / Humpback Whale (Megaptera novaeangliae) breaching. Hervey Bay, Queensland, Australia, August. Sequence 6 of 9.