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 / Australasian darter (Anhinga novaehollandiae) female drying wings after fishing in Corroboree Billabong, Mary River, Northern Territory.

Steven David Miller / Comb-crested jacana (Irediparra gallinacea) male and four eggs. The male incubates the eggs. Corroboree Billabong, Mary River, Northern Territory, Australia.

Steven David Miller / Black-necked stork (Ephippiorhynchus asiaticus) female foraging for fish on bank Corroboree Billabong, Mary River, Northern Territory, Australia.

Steven David Miller / Black-necked stork (Ephippiorhynchus asiaticus) male standing in wetland. Corroboree Billabong, Mary River, Northern Territory, Australia.

Steven David Miller / Mary River Houseboats on Mary River's Corroboree Billabong, Northern Territory, Australia, July 2010

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

Etienne Littlefair / Black-necked storks (Ephippiorhynchus asiaticus) wading in shallow water, adult male in foreground, Corroboree billabong, Northern Territory, Australia.

Etienne Littlefair / White-bellied sea eagle (Haliaeetus leucogaster) perched on branch at sunrise, Corroboree billabong, Northern Territory, Australia.

Etienne Littlefair / Whiskered tern (Chlidonias hybrida) flock in flight, fishing above a drying floodplain, Corroboree billabong, Northern Territory, Australia.

Etienne Littlefair / Saltwater crocodile (Crocodylus porosus) submerged in water in wetland floodplains, Corroboree billabong, Northern Territory, Australia.

Etienne Littlefair / Black-necked storks (Ephippiorhynchus asiaticus) wading in shallow water, adult male in foreground, Corroboree billabong, Northern Territory, Australia.

Etienne Littlefair / Black-necked stork (Ephippiorhynchus asiaticus) female, landing, Corroboree billbong, Northern Territory, Australia.

Etienne Littlefair / RF - Black-necked stork (Ephippiorhynchus asiaticus) female, standing in shallow water feeding on an Eel-tail catfish (Neosilurus ater), Corroboree billbong, Northern Territory, Australia. (This image...

Etienne Littlefair / Saltwater crocodile (Crocodylus porosus) in shallow water feeding on a Northern long-necked turtle (Chelodina rugosa), Corroboree billabong, Northern Territory, Australia.

Etienne Littlefair / Crimson finch (Neochmia phaeton) male, perched on tree stump, Corroboree billabong, Northern Territory, Australia.

Etienne Littlefair / Brush cuckoo (Cacomantis variolosus) perched on branch, Corroboree billabong, Northern Territory, Australia.

Etienne Littlefair / Blue skimmer (Orthetrum caledonicum) female, resting on plant stalk in wetland, Corroboree billabong, Northern Territory, Australia.

Etienne Littlefair / Graphic flutterer (Rhyothemis graphiptera) resting on a dead plant stalk, Corroboree billabong, Northern Territory, Australia.

Etienne Littlefair / Shining flycatcher (Myiagra alecto) male, perched on branch, Corroboree billabong, Northern Territory, Australia.

Etienne Littlefair / Broad-billed flycatcher (Myiagra ruficollis) perched on branch, Corroboree billabong, Northern Territory, Australia.

Etienne Littlefair / Barking owl (Ninox connivens) perched on branch, day roosting, Corroboree billabong, Northern Territory, Australia.

Etienne Littlefair / Saltwater crocodile (Crocodylus porosus) juvenile, basking on mud flats off Corroboree billabong, Northern Territory, Australia.

Etienne Littlefair / Group of Saltwater crocodiles (Crocodylus porosus) congregating in shallow water in the dry season, Corroboree billabong, Northern Territory, Australia.

Etienne Littlefair / Comb-crested jacana (Irediparra gallinacea) taking flight from water, Corroboree billabong, Northern Territory, Australia.

Etienne Littlefair / Eastern billabongflies (Austroagrion watsoni) pair mating, Corroboree billabong, Northern Territory, Australia.

Etienne Littlefair / RF - Comb-crested jacana (Irediparra gallinacea) feeding amongst Lilypads, Corroboree billabong, Northern Territory, Australia. (This image may be licensed either as rights managed or royalty free.)

Etienne Littlefair / Azure kingfisher (Alcedo azurea) perched on aquatic Pandanus palm (Pandanus sp.), Corroboree billabong, Northern Territory, Australia.

Etienne Littlefair / Saltwater crocodile (Crocodylus porosus) in water, head portrait, Corroboree billabong, Northern Territory, Australia.

Etienne Littlefair / Comb-crested jacana (Irediparra gallinacea) walking on Lilypads, Corroboree billabong, Northern Territory, Australia.

Etienne Littlefair / Two Black-necked stork (Ephippiorhynchus asiaticus) males feeding in shallow water, Corroboree billbong, Northern Territory, Australia.

Etienne Littlefair / White-bellied sea eagle (Haliaeetus leucogaster) coming in to land on a fishing perch, Corroboree billabong,Northern Territory, Australia.

Etienne Littlefair / Swamplands lashtail (Tropicagama temporalis) resting on Lilypad, Corroboree Billabong, Northern Territory, Australia.

Etienne Littlefair / Black-necked stork (Ephippiorhynchus asiaticus) male chasing after a fish in shallow water, with Saltwater crocodile (Crocodylus porosus) in water behind, Corroboree billbong, Northern Territory, Aust...