Dave Watts / Orange bellied parrot male {Neophema chrysogaster} Tasmania, Australia. Critically endangered

Tony Wu / Juvenile Australian sea lion (Neophoca cinerea) silhouetted against blue skies at Carnac Island, Western Australia

Tony Wu / Juvenile Australian sea lion (Neophoca cinerea) resting in shallows, possibly to thermoregulate, Carnac Island, Western Australia.

Fred Olivier / Black-footed rock wallaby (Petrogale lateralis), Cape range National Park, Exmouth, Western Australia

Jurgen Freund / Little red flying fox (Pteropus scapulatus) roosting with baby, Atherton Tablelands, Queensland, Australia. May. Second Place in the Man and Nature portfolio category of the Terre Sauvage Nature Image...

Dave Watts / Platypus (Ornithorhynchus anatinus) swimming in lake, Tasmania, Australia.

Roland Seitre / Budgerigar (Melopsittacus undulatus) flock drinking and bathing in water, Wannoo, Billabong Roadhouse, Western Australia.

Roland Seitre / Budgerigar (Melopsittacus undulatus) flock in flight from grasses, ?Arubiddy, Nullarbor, Western Australia.

Roland Seitre / Budgerigar (Melopsittacus undulatus) massive flock on small trees in desert, Murchinson Shire, Western Australia. January.

Jiri Lochman / Bolas spider (Dicrostichus furcatus / Ordgarius furcatus) female with bolas, a blob of silk at end of line used to swing at prey, only used by females. Bolas spiders also produce pheromones of specifi...

MYN / Corne van der Linden / Wolf spider (Venator immansueta) Perth, South-Western Australia.

MYN / Corne van der Linden / Variety of orchids from the Banksia Woodland, Swan Coastal Plain. Including Pansy orchid (Diuris magnifica), Slender sun orchid (Thelymitra vulgaris), Cowslip orchid (Caladenia flava), Plain sun orchi...

Suzi Eszterhas / Koala (Phascolarctos cinereus) mother with joey aged eight months, Queensland, Australia, captive.

Suzi Eszterhas / Koala (Phascolarctos cinereus) mother and joey aged sixth months, Queensland, Australia, captive.

Paul Williams / View from plane of landscape between Alice Springs and Perth, Australia, November.

Jurgen Freund / Wangi Falls at night illuminated by moonlight, Litchfield National Park, Northern Territory, Australia. December 2012.

Jurgen Freund / Dingo (Canis lupus dingo) at Devils Marbles, Northern Territory, Australia.

Jurgen Freund / Flock of Budgerigars (Melopsittacus undulatus ) drinking in an outback dam, Northern Territory, Australia.

Jurgen Freund / Banded archerfish (Toxotes jaculatrix) spitting, Oolioo Sandbar, Territory Wildlife Park, Berry Springs, Northern Territory, Australia.

Onne van der Wal / Aerial view of Whitehaven beach, Whitsunday Island, Queensland, Australia. November 2012.

Ole Jorgen Liodden / Tasmanian native hen (Gallinula mortierii) walking through grass, Bruny Island, Tasmania, Australia. Endemic.

Jurgen Freund / Chambered nautilus (Nautilus pompilius) with red whip coral. Osprey Reef, Great Barrier Reef, Queensland, Australia.

Tui De Roy / Little blue / fairy penguin (Eudyptula minor) pair courting near nesting burrow, Neck Game Reserve, Bruny Island, Tasmania, Australia, December.

Tui De Roy / Little blue / fairy penguin (Eudyptula minor) walking on pathway to nesting burrows, Neck Game Reserve, Bruny Island, Tasmania, Australia, December.

MYN / Lily Kumpe / Eucalyptus Leaf Composite (Eucalyptus sp) Denmark Shire, Warren Bioregion, Western Australia. Meetyourneighbtous.net project

Pascal Kobeh / Aggregation of thousands of Spider crabs (Leptomithrax gaimardii) for moulting, South Australia Basin, Australia. Pacific Ocean.

Pascal Kobeh / Aggregation of thousands of Spider crabs (Leptomithrax gaimardii) for moulting, South Australia Basin, Australia. Pacific Ocean.

Roland Seitre / Buergers' tree-kangaroo (Dendrolagus goodfellowi buergersi) climbing. Currumbin Sanctuary, Queensland, Australia. Captive, endemic to Papua New Guinea. Endangered species.

Roland Seitre / Eastern grey kangaroo (Macropus giganteus) herd, Yuraygir National Park, Grafton, New South Wales, Australia.

Jurgen Freund / Bioluminescent fungi (Omphalotus nidiformis / Pleurotus nidiformis) glowing on tree trunk in rainforest at night, Atherton Tablelands, Queensland, Australia,

Jabruson / 'Kith' / 'Kin' Sumatran orangutan (Pongo abelii) captive animal in walled enclosure, Perth Zoo, Western Australia, August 2001.

Jurgen Freund / Stars facing north towards constellation Perseus with Perseid meteor shower, above farming fields in the Atherton Tablelands, Far North Queensland. August 14, 2013 4am, composite image.

Jurgen Freund / Glowing / bioluminescent fungi on rainforest tree, possibly Omphalotus nidiformis, Tableland rainforest, Far North Queensland, Australia

Dave Watts / Striated Fieldwren (Calamanthus fuliginosus) Tasmania, Australia

Roland Seitre / Platypus (Ornithorhynchus anatinus) underwater. Captive. Australian Reptile Park, Gosford, New South Wales.

Roland Seitre / Platypus (Ornithorhynchus anatinus) on wet sand, with crayfish. Captive. Healesville Sanctuary, Victoria, July.

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...

Mark MacEwen / Wedge-tailed Shearwaters (Puffinus pacificus) at night, Heron Island, southern Great Barrier Reef, Queensland, Australia. Taken with infra-red camera.

Floris van Breugel / Various fluorescent minerals : 1Willemite, New Jersey, 2: Willemite and Calcite, New Jersey, 3: Fluorite, Ohio, 4: Willemite and Calcite, New Jersey. 5: Fluorite, California. 6: Scheelite, California....

Alex Mustard / Spotted handfish (Brachionichthys hirsutus) portrait, Derwent River estuary, Hobart, Tasmania, Australia

Alex Mustard,Alex Mustard / Portrait of a Yellow moray eel (Gymnothorax prasinus) - endemic to SE Australia. Chowder Bay, Sydney Harbour, New South Wales, Australia.

Steven David Miller / Devils Marbles, Devils Marbles Conservation Reserve, Northern Territory, Australia, June 2010

Steven David Miller / A beach at Isthmus Bay provides some good surf waves, Isthmus Bay, Torndirrup National Park, Albany, Western Australia, December

David Tipling / Bush fire near Charter Towers in Queensland, Northern Australia, October

David Tipling / Aftermath of a bush fire near Charter Towers, Queensland, Australia

Jurgen Freund,Jurgen Freund / CT scan of injured Green turtle 'Angie' (Chelonia mydas) from the Cairns Turtle Rehabilitation Centre, Cairns Diagnostic Imaging. Queensland, Australia

Jurgen Freund,Jurgen Freund / CT scan of injured Green turtle 'Angie' (Chelonia mydas) from the Cairns Turtle Rehabilitation Centre, Cairns Diagnostic Imaging. Queensland, Australia

Jurgen Freund,Jurgen Freund / Flexible Leather Coral (Sinularia flexibilis) spawning during the annual mass coral spawning event, in November, Great Barrier Reef, Queensland, Australia

Jurgen Freund,Jurgen Freund / Non-diver tourists surrounded by fish, trying out the sea walker from the Sunlover Pontoon, Great Barrier Reef, Queenland, Australia, November 2012

Jurgen Freund / Sarus Cranes (Grus antigone) Atherton Tablelands, Queensland, Australia

Jurgen Freund,Jurgen Freund / Mareeba rock-wallaby (Petrogale mareeba) Queensland, Australia

Jurgen Freund / Sugar Glider (Petaurus breviceps) feeding on sap from a tree trunk. Atherton Tablelands, Queensland, Australia

Jurgen Freund,Jurgen Freund / Andamooka opals held in hand, South Australia, June 2011

Jurgen Freund,Jurgen Freund / Halligan Bay, where land meets water of the salt field and thousands of dead bugs, fish, rodents and birds are washed ashore. Lake Eyre, South Australia

Jurgen Freund,Jurgen Freund / Paddy melon (Cucumis myriocarpus) growing in red sand dunes of the outback. It is a prostrate or climbing annual herb occurs in southern Africa and is a weed in Australia, South Australia, Australia

Jurgen Freund / Licuala palms (Licuala ramsayi) with light streaming through the canopy, Daintree, Queensland, Australia

Jurgen Freund,Jurgen Freund / Banana farm after Cyclone Yasi, Innisfail, Queensland, Australia, February 2011

Jurgen Freund,Jurgen Freund / Green Tree Ants (Oecophylla smaragdina) attacking Common House Gecko (Hemidactylus frenatus) Cairns, Queensland, Australia

Jurgen Freund,Jurgen Freund / Fluorescent corals (Trachyphyllia geoffroyi) Great Barrier Reef, Australia

Jurgen Freund / Fluorescent corals (Favia sp) Great Barrier Reef, Australia

Jurgen Freund / Dramatic early morning aerial of Wilpena Pound, Flinders Ranges National Park, South Australia, June 2011

Jurgen Freund,Jurgen Freund / Dramatic early morning aerial of Wilpena Pound, Flinders Ranges National Park, South Australia, June 2011

Jurgen Freund,Jurgen Freund / Aerial view of the flooded Lake Eyre National Park. South Australia, June 2011

Jurgen Freund,Jurgen Freund / Aerial view of the flooded Lake Eyre National Park. South Australia, June 2011

Jurgen Freund,Jurgen Freund / Aerial of Australian Pelican (Pelecanus conspicillatus) breeding colonies on the islands of Lake Goyder, Coongie Lakes National Park, South Australia, June 2011

Jurgen Freund / Aerial of Sturt Stoney Desert with gibber rocks. Gibber rocks are millions of years wind and water weathered chalcedonised sandstone with a hardened crust of soil cemented silica, iron and manganese,...

Jurgen Freund,Jurgen Freund / Aerial of sand dunes of Simpson Desert Regional Reserve. South Australia, June 2011

John Cancalosi / Silicified radiolarite, also known as 'mookaite', from Kennedy ranges, Western Australia, Australia.

John Cancalosi / 'Zebra stone', sedimentary rock from the east Kimberley of Western Australia.Composed essentially of small particles of quartz and sericite' (fine-grained white mica), zebra rock also contains the min...

John Cancalosi / Radiolarite also known as mookiate. A siliceous, sedimentary rock that is composed predominantly of the microscopic remains of radiolarians, Western Australia.

John Cancalosi / Bauxite from Western Australia, Australia, Main ore of aluminium.

Brent Hedges / RF- Great white shark at surface, mouth open (Carcharodon carcharias), South Australia. (This image may be licensed either as rights managed or royalty free.)

Roger Powell / Channel-billed cuckoo (Scythrops novaehollandiae) in forest canopy, Mary River, Northern Territory, Australia.

Roger Powell / Cathedral termite mound (Nasutitermes triodiae) in typical savanna habitat, Mary River, Northern Territory, Australia

Roger Powell / Bush stone-curlew (Burhinus grallarius) with two chicks. Werribee, Victoria, Australia.

Roger Powell / Bush stone-curlew (Burhinus grallarius) standing over its egg. Werribee, Victoria, Australia.

Roger Powell / Buff-banded rail (Gallirallus philippensis) walking along a log. Serendip, Victoria, Australia

Roger Powell / Brolga (Grus rubicundus) feeding on the edge of a field. Werribee Sewerage Works, Werribee, Victoria, Australia

Roger Powell / Two Brolgas (Grus rubicundus) against agricultural background. Werribee Sewerage Works, Werribee, Victoria, Australia

Roger Powell / Blue-winged Parrot (Neophema chrysostoma) on an old tree stump, Werribee Sewerage Farm, Victoria, Australia

Roger Powell / Blue-winged kookaburra (Dacelo leachii) on branch. Leaning Tree Lagoon, Northern Territory, Australia

Roger Powell / Black-necked stork / Jabiru (Ephippiorhynchus asiaticus) hunting along lakeside, Leaning Tree Lagoon, Northern Territory, Australia

Roger Powell / Black swan (Cygnus atratus) female feeding and escorting cygnets. Werribee Sewerage Park, Victoria, Australia.

Roger Powell / Black swan (Cygnus atratus) female sleeping on its nest. Werribee Sewerage Park, Victoria, Australia.

Roger Powell / Black butcherbird (Ctracticus quosi) perched, Darwin, Northern Territory, Australia

Roger Powell / Bell miner (Manorina melanophryx) hunting for insects in a eucalyptus tree. Melbourne, Victoria, Australia

Roger Powell / Australian Magpie (Gymnorhina tibicen) walking in a park. Adelaide, South Australia, Australia

Roger Powell / Australian koel (Eudynamys cyanocephalus) with a berry in its beak feeding on palm fruit, Mary River Park, Northern Territory, Australia.

Roger Powell / Australian koel (Eudynamys cyanocephalus) with a berry in its beak feeding on palm fruit, Mary River Park, Northern Territory, Australia.

Roger Powell / Australasian grebe (Tachybaptus novaehollandiae) in winter plumage, swimming, Fogg Dam, Northern Territory, Australia

Roger Powell / Australasian figbird (Sphecotheres viridis) looking for food. Flinders Range, Victoria, Australia

Roger Powell / Yellow / Green oriole (Oriolus flavocinctus) perched in tree. Mary River, Northern Territory, Australia. SMALL REPRO ONLY

Roger Powell / Yellow / Green oriole (Oriolus flavocinctus) perched in tree. Mary River, Northern Territory, Australia.

Roger Powell / Family group of Wandering whistling ducks (Dendrocygna arcuata) resting together at lake edge, Fogg Dam, Northern Territory, Australia

Roger Powell / Sulphur-crested cockatoo (Cacatua galerita) looking down from a fir tree, Halls Gap, Victoria, Australia.

Roger Powell / Sulphur-crested cockatoo (Cacatua galerita) resting in a eucalyptus tree, Halls Gap, Victoria, Australia.