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

Ross Couper-Johnston / Decorated Indian elephant led in festival procession, Kerala, Southern India

Ross Couper-Johnston / Burning oil well with water control from heat-shielding shed, Kuwait, Arabia, post Gulf war.

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

Konrad Wothe / North Johnston River flowing through rainforest, Atherton Tablelands, Queensland, Australia, October 2010

Michele Westmorland / The largely abandoned community of Moonhole, built in the late 1960's by Tom and Gladdie Johnston. Bequia, The Grenadines, Caribbean, May 2009. No release.

Kevin Schafer / Wildflowers around tree stumps destroyed by eruption, Johnston Ridge, Mount St Helens Volcanic National Monument, Washington

Kevin Schafer / View of Mount St Helens from Johnston Ridge, Mount St Helens Volcanic National Monument, Washington

Michael D. Kern / Johnston's Chameleon (Chamaeleo Johnstoni) walking along branch, Uganda

Michael D. Kern / Johnston's Chameleon (Chamaeleo Johnstoni) walking along branch, Uganda

Steven David Miller / Freshwater / Johnstone's crocodile (Crocodylus johnsoni) swimming in shallow water, shows some aggression to its neighbours, Windjana National Park, The Kimberley, Western Australia

Steven David Miller / Freshwater / Johnstone's crocodile (Crocodylus johnsoni) swimming in shallow water, Windjana National Park, The Kimberley, Western Australia

Steven David Miller / Freshwater / Johnstone's crocodile (Crocodylus johnsoni) lying in shallow water, Windjana National Park, The Kimberley, Western Australia

Steven David Miller / Freshwater / Johnstone's crocodile (Crocodylus johnsoni) lying in shallow water, Windjana National Park, The Kimberley, Western Australia

Steven David Miller / Freshwater / Johnstone's crocodile (Crocodylus johnsoni) lying in shallow water, with mouth open. Windjana National Park, The Kimberley, Western Australia

Steven David Miller / Freshwater / Johnstone's crocodile (Crocodylus johnsoni) at waters edge, Windjana National Park, The Kimberley, Western Australia

Steven David Miller / Freshwater / Johnstone's crocodile (Crocodylus johnsoni) lying on shoreline, Windjana National Park, The Kimberley, Western Australia

Steven David Miller / Freshwater / Johnstone's crocodile (Crocodylus johnsoni) lying on shoreline, Windjana National Park, The Kimberley, Western Australia

Roger Powell / Two Australian Freshwater crocodiles (Crocodylus Johnsoni) in water, Northern Territory, Australia.

Ross Couper-Johnston / Great egret {Ardea alba} nesting colony, Ibera Marshes, Argentina

Juergen Freund / Australian freshwater crocodile (Crocodylus Johnsoni) on tree trunk in water. Queensland, Australia

Juergen Freund / Australian freshwater crocodile (Crocodylus Johnsoni), Queensland, Australia.

Juergen Freund / Australian freshwater crocodile (Crocodylus Johnsoni) close-up of snout. Queensland, Australia

Juergen Freund / Australian freshwater crocodiles (Crocodylus Johnsoni) partly submerged in water. Queensland, Australia

Juergen Freund / Two Australian freshwater crocodiles (Crocodylus Johnsoni), Queensland, Australia

Michael D. Kern / Johnstons Chameleon {Chamaeleo johnstoni} Uganda

Michael D. Kern / Johnstons Chameleon (Chamaeleo johnstoni) Uganda

Michael D. Kern / Johnston's Chameleon (Chamaeleo johnstoni) walking along branch, Uganda

Ross Couper-Johnston / Cameraman John Waters using piranha fish as bait to attract caiman towards remote controlled camera, filming for "Ibera - Land of Shining Water" a BBC Natural World programme, Argentina 1993

Steven David Miller / Australian freshwater crocodile {Crocodylus johnstoni} Sunning on bank of river, East Alligator River, Kakadu National Park, Northern Territory, Australia

Steven David Miller / Australian freshwater crocodile {Crocodylus johnsoni} Sunning on bank of river, East Alligator River, Kakadu National Park, Northern Territory, Australia

Ross Couper-Johnston / Llama (Llama glama) Laguna de Los Pozuelos NP, Andes, NW Argentina

Ross Couper-Johnston / Group of Vicunas in Andes altiplano (Lama Vicugna) NW Argentina. Vulnerable habitat. Endangered

Ross Couper-Johnston / Black howler monkey {Alouatta caraya} Ibera Marshes NR, Argentina

Ross Couper-Johnston / Aerial view of Parana river, before dam construction, Argentina / Paraguay border, South America

Ross Couper-Johnston / Llama with young (Llama glama) Laguna de Los Pozuelos NP, Andes, Argentina

Ross Couper-Johnston / Black Howler Monkey (Alouatta caraya) Ibera Marshes Nature Reserve, Argentina

David Noton / Sunset over Johnston Strait, Vancouver Island, British Columbia, Canada

Ross Couper-Johnston / Sky and ground blackened by smoke and fallout from bombed oil wells after 1st Gulf war, Kuwait 1990

Ross Couper-Johnston / Iraqi vehicles destroyed by allied fire on road to Basra, Iraq, in 1st Gulf War, Kuwait 1990

Ross Couper-Johnston / Gaucho poling canoe Ibera Marshes National Reserve, North Argentina, South America

Ross Couper-Johnston / Great egret with piranha in beak {Ardea alba} Ibera marshes, North Argentina

Ross Couper-Johnston / Caiman submerged in lagoon. (Caiman sp) Ibera Marshes, Argentina

Ross Couper-Johnston / Yellow anaconda. (Eunectes notaeus) Argentina Ibera marshes NR

Ross Couper-Johnston / Argentine boa {Boa constrictor occidentalis} climbing tree, Argentina, Ibera marshes.

Ross Couper-Johnston / Black Howler Monkey (Alouatta caraya) Ibera Marshes Nature Reserve, Argentina

Ross Couper-Johnston / Bromeliad in flower, Ibera marshes National Reserve, N Argentina, South America

Ross Couper-Johnston / Marshland vegetation Iberia marshes NRN, Argentina

Dave Watts / Australian freshwater Crocodile in shallow water{Crocodylus johnstoni} Northern Territory, Australia

Dave Watts / Australian freshwater crocodile {Crocodylus johnsoni} NT, Australia. Northern Territory

Miles Barton / Australian freshwater crocodile mouth open, Northern Territories Australia.

Ross Couper-Johnston / Gaucho poling canoe at sunset. Ibera Marshes National Reserve, Argentina, South America

Ross Couper-Johnston / Caiman with piranha at sunset. Ibera Marshes Nature Reserve, Argentina

Ross Couper-Johnston / Caiman coming out of lagoon at sunset. Argentina, Ibera Marshes Nature Reserve. South America

Ross Couper-Johnston / Llamas (Lama glama) Andes NW Argentina Laguna de Los Pozuelos NP

Ross Couper-Johnston / Llama herd (Llama glama) Andes NW Argentina Laguna de Los Pozuelos NP

Ross Couper-Johnston / Iguazu waterfalls on Argentina/Brazil border, South America

Ross Couper-Johnston / Caiman in lagoon. Ibera, Argentina, S. America

Ross Couper-Johnston / Spraying water on burning oil well from heat-shielding shed, Kuwait, post Gulf War.

Ross Couper-Johnston / Flooded Eucalyptus forest. Chillagoe, New Queensland, Australia

Ross Couper-Johnston / Gorge du Verdon, Provence, France, Europe

Ross Couper-Johnston / Burning oil well with water control from heat-shielding shed (post Guld war). Kuwait, Arabia

Ross Couper-Johnston / Maned Wolf, Ibera Marshes Nature Reserve, Argentina

WILLIAM OSBORN / Australian freshwater crocodile half submerged. Australia {Crocodylus johnsoni} Northern territory

Steven David Miller / Australian freshwater crocodile {Crocodylus johnsoni} Lake Argyle, Western Australia

Ross Couper-Johnston / Burning oil wells, Kuwait, Arabia. Post Gulf war.

Ross Couper-Johnston / Burning oil well with water control from heat-shielding shed (post Guld War. Kuwait, Arabia .

Ross Couper-Johnston / Burning oil well with water control from heat-shielding shed (post Gulf war). Kuwait, Arabia

Ross Couper-Johnston / Donkeys on road. Andes foothills, Quebrada de Humahuaca, Argentina, South-America

Ross Couper-Johnston / Guachos rounding up cattle, Ibera marshes NR, Argentina

Ross Couper-Johnston / Llama, Laguna de Los Pozuelos National Park, Andes, Argentina

Rick Tomlinson / Sir Robin Knox Johnston's Open 60 "Lombard" during the JP Morgan Round the Island Race from Cowes to the Isle of Wight, UK, June 23 2007.

Flip Nicklin / Orca (Orcinus orca) siblings from pod A-5 playing at rubbing beach, Johnston Strait, British Columbia, Canada

Ross Couper-Johnston / Guacho branding cattle Mercedes N Argentina

Ross Couper-Johnston / Temperate rainforest by fiord Milford Sound South Island New Zealand

Ross Couper-Johnston / Yellow anaconda held by J Waters (Eunectes notaeus) Ibera marshes NR Argentina

Ross Couper-Johnston / Newborn Llama calf {Llama glama} Andes Argentina