Murray Cooper / Rubber Tree (Hevea brasiliensis) with sap used for rubber, South America

Murray Cooper / Mangrove (Rhizophora sp) aerial roots, Cayapas Mataje Ecological Reserve, Ecuador

Murray Cooper / Mangrove (Rhizophora sp) trees, Cayapas Mataje Ecological Reserve, Ecuador

Murray Cooper / Spot-breasted Woodpecker (Colaptes punctigula) at nest cavity, South America

Murray Cooper / Rufous-tailed Jacamar (Galbula ruficauda), South America

Murray Cooper / Rufous-tailed Jacamar (Galbula ruficauda), South America

Murray Cooper / Speckled Chachalaca (Ortalis guttata) pair, South America

Murray Cooper / Horned Screamer (Anhima cornuta), South America

Murray Cooper / Pied Lapwing (Vanellus cayanus), South America

Murray Cooper / Swallow-tailed Nightjar (Uropsalis segmentata) female in defensive posture on nest, South America

Murray Cooper / Bananaquit (Coereba flaveola) in lowland rainforest, Ecuador

Murray Cooper / White-necked Jacobin (Florisuga mellivora) male feeding on flower nectar, Ecuador

Murray Cooper / Plate-billed Mountain-Toucan (Andigena laminirostris) with orchids, Ecuador

Murray Cooper / Sparkling Violet-ear (Colibri coruscans) hummingbird males fighting, Ecuador, digitally manipulated

Murray Cooper / Andean Condor (Vultur gryphus) female flying, Ecuador

Murray Cooper / Andean Condor (Vultur gryphus) male basking, Ecuador

Murray Cooper / King Vulture (Sarcoramphus papa) with full crop, Ecuador

Ashley Cooper / Lake Mulwala at Yarrawonga was created when the Murray River was dammed to provide irrigation water for surrounding farmland. The drought which lasted between 1996-2011 meant that the trees that were...

Ashley Cooper / Signs near Echuca, Australia, about water restrictions and saving water. Victoria and New South Wales were affected by a drought which lasted from 1996-2011. Victoria, Australia, February 2010.

Ashley Cooper / Red Gum trees are iconic Australian trees that grow along the banks of the Murray River. They rely on a regular flood cycle to survive. The unprecedented drought of the last 15 years has lead to low r...

Ashley Cooper / Red gum trees (Eucalyptus camaldulensis) growing along the banks of the Murray River. During the drought 1996-2011 75% of the Red gums are either dead or dying. Victoria, Austria, February.

Ashley Cooper / Turbines in Murray 1 power station. Murray 1 is the second largest power station in the Snowy mountains hydro electricity scheme. New South Wales, Australia, February.

Carol Walker / American Bison (Bison bison) turning head in snow, Yellowstone National Park, Montana, USA. January.

Murray Cooper / Guayaquil Woodpecker (Campephilus gayaquilensis), South America

Murray Cooper / Crimson-mantled Woodpecker (Colaptes rivolii), South America

Murray Cooper / Mangrove (Rhizophora sp) aerial roots, Cayapas Mataje Ecological Reserve, Ecuador

Murray Cooper / Mangrove (Rhizophora sp) aerial roots, Cayapas Mataje Ecological Reserve, Ecuador

Murray Cooper / Mangrove (Rhizophora sp) trees, Cayapas Mataje Ecological Reserve, Ecuador

Murray Cooper / Cinereous Conebill (Conirostrum cinereum), South America

Murray Cooper / Rufescent Tiger-Heron (Tigrisoma lineatum), South America

Murray Cooper / Lineated Woodpecker (Dryocopus lineatus), South America

Murray Cooper / Spot-breasted Woodpecker (Colaptes punctigula) emerging from nest cavity, South America

Murray Cooper / Pale-headed Jacamar (Brachygalba goeringi), South America

Murray Cooper / Lineated Woodpecker (Dryocopus lineatus) pair at nest cavity, South America

Murray Cooper / Lineated Woodpecker (Dryocopus lineatus) pair at nest cavity, South America

Murray Cooper / Black-bellied Whistling Duck (Dendrocygna autumnalis) and White-faced Whistling-Duck (Dendrocygna viduata) flock in wetland, Colombia

Murray Cooper / Chestnut-eared Aracari (Pteroglossus castanotis) calling, South America

Murray Cooper / Oriole Blackbird (Gymnomystax mexicanus) pairs courting, South America

Murray Cooper / Oriole Blackbird (Gymnomystax mexicanus) pair courting, South America

Murray Cooper / Brown-throated Parakeet (Aratinga pertinax) emerging from termite nest cavity, South America

Murray Cooper / Dusky-capped Flycatcher (Myiarchus tuberculifer), South America

Murray Cooper / Scaled Piculet (Picumnus squamulatus), South America

Murray Cooper / Speckled Chachalaca (Ortalis guttata), South America

Murray Cooper / Bananaquit (Coereba flaveola) on Banana (Musa sp) fruit, South America

Murray Cooper / Horned Screamer (Anhima cornuta) group, South America

Murray Cooper / Black-crested Antshrike (Sakesphorus canadensis), South America

Murray Cooper / Burrowing Owl (Athene cunicularia) juveniles at burrow, South America

Murray Cooper / Yellow-headed Caracara (Milvago chimachima) calling, South America