Juan Carlos Munoz / Double Breasted Cormorant (Phalacrocorax auritus) resting beak in plumage. Everglades National Park, Florida, USA, February.

Nick Upton / Double decker bus passing peeling bark of pollution resistant London Plane Tree (Platanus x hispanica), Euston Road, London, UK, May. 2012. No release available.

Erlend Haarberg / Male Great snipe (Gallinago media) calling during display, Sor-Trondelag, Norway, May

Erlend Haarberg / Male Great snipe (Gallinago media) displaying, Norway, June

Kevin Schafer / Southern / Double-wattled cassowary (Casuarius casuarius) wild, chick moving through rainforest, Atherton Tablelands, Queensland, Australia, November

Kevin Schafer / Southern / Double-wattled cassowary (Casuarius casuarius) wild, adult male rear view, neck feathers, Atherton Tablelands, Queensland, Australia, November

Kevin Schafer / Southern / Double-wattled cassowary (Casuarius casuarius) wild, adult male rear view, Atherton Tablelands, Queensland, Australia, November

Kevin Schafer / Southern / Double-wattled cassowary (Casuarius casuarius) wild, adult male with chick in rainforest, Atherton Tablelands, Queensland, Australia, November

Kevin Schafer / Southern / Double-wattled cassowary (Casuarius casuarius) wild, adult male feeding on mushroom from tree trunk, Atherton Tablelands, Queensland, Australia, November

Kevin Schafer / Southern / Double-wattled cassowary (Casuarius casuarius) wild, adult male portrait, Atherton Tablelands, Queensland, Australia, November

Andy Rouse / African elephant (Loxodonta africana) with double rainbow in background, Masai Mara GR, Kenya, January

Mark Hamblin / 2020VISION / View from Stac Polliadh with double rainbow and rain clouds over Cul Mor, Coigach, Highland, Scotland, November. Photographer quote: "Standing on a rain lashed and windswept mountain side all morning...

Eric Baccega / Double crested cormorant (Phalacrocorax auritus) swimming on water at sunset, Cap Breton Highlands National Park, Nova Scotia, Canada, September

Kevin Schafer / Southern / Australian / Double-wattled cassowary (Casuarius casuarius) male, Atherton Tablelands, Queensland, Australia, Wild, Vulnerable species

Floris van Breugel / Twilight view of Mt. Rainier, under a clear night filled with stars, and alpine meadow of Lupins (Lupinus) in the foreground Mt. Rainer National Park, Washington, USA. August 2008. Double exposure.

Vincent Grafhorst / Double rainbow over Kalahari, Kgalagadi Transfrontier Park, Botswana

Petra Wegner / Great Dane, black coated bitch, and Magyar Vizsla /Hungarian Pointer, tan coated male, double portrait in profile together.

Nick Garbutt / King Penguins (Aptenodytes patagonicus) double head portrait, one some distance behnid the other, on the beach at Salisbury Plain, South Georgia, South Atlantic. January.

Aflo / Y-11106 Double rainbow over sea with waves breaking on shoreline

Aflo / Y-11004 Double rainbow over hillside vegetation, Waimea Canyon, Hauai, Hawaii

Aflo / Y-11001 Double rainbow on horizon over sea

Aflo / N-14405 Double waterfall in woodland, Tochigi, Japan.

Edwin Giesbers / Snow leopard (Panthera uncia) at night with full moon, double exposure, captive

Neil Lucas / Weddell seal (Leptonychotes weddellii) male surfacing in ice hole, McMurdo Sound, Ross Sea, Antarctica, November 2008

Wild Wonders of Europe / Máté / Two Great snipe (Gallinago media) near the Prypiat river, Belarus, June 2009

Wild Wonders of Europe / Máté / Great snipe (Gallinago media) near the Prypiat river, Belarus, June 2009

Wild Wonders of Europe / Rautiainen / Great snipe (Gallinago media) calling, Matsalu National Park, Estonia, May 2009

Wild Wonders of Europe / Rautiainen / Great snipe (Gallinago media) in long grass, Matsalu National Park, Estonia, May 2009

Wild Wonders of Europe / Rautiainen / Great snipe (Gallinago media) in long grass, Matsalu National Park, Estonia, May 2009

Wild Wonders of Europe / Rautiai / Great snipe (Gallinago media) calling, Matsalu National Park, Estonia, May 2009 WWE BOOK. WWE INDOOR EXHIBITION

Wild Wonders of Europe / Rautiainen / Great snipe (Gallinago media) calling, Matsalu National Park, Estonia, May 2009

Wild Wonders of Europe / Rautiainen / Great snipe (Gallinago media) shaking head calling, Matsalu National Park, Estonia, May 2009

Wild Wonders of Europe / Rautiainen / Great snipe (Gallinago media) calling, Matsalu National Park, Estonia, May 2009

Wild Wonders of Europe / Rautiainen / Great snipe (Gallinago media) in grassland, Matsalu National Park, Estonia, May 2009

Edwin Giesbers / Double crested basilisk / Green basilisk lizard (Basiliscus plumifrons), Costa Rica

Tim Fitzharris / Double-crested Cormorant (Phalacrocorax auritus) drying its wings, North America

David Kjaer / Double rainbow, viewed from Spread Eagle, Dorset, England

Kim Taylor / Red banded leaf hopper (Graphocephala coccinea) jumping, double exposure. Captive, UK

Gabriel Rojo / Double collared seedeater {Sporophila caerulescens} La Pampa, Argentina

Chris Newbert / Double-headed Maori Wrasse (Cheilinus undulatus) swimming over coral reef, Red Sea, Egypt

Norbert Wu / Elephant Ear Sponge (Ianthella basta) with schools of Black-tipped Fusiliers (Pterocaesio digramma) swimming behind, Solomon Islands

Tim Fitzharris / Double rainbow over Boulder Mountains after a storm, Idaho

Terry Andrewartha / Male great snipe fighting at lek {Gallinago / Capella media} Poland Europe

Mark Payne-Gill / Three banded armadillo rolling up into defensive ball {Tolypeutes tricinctus}. Very tough skin consists of double layer of horn and bone

Gavin Hellier / Double decked beach huts, Sandbanks, Poole, Dorset, UK 2009

Gavin Hellier / Yellow flower infront of double decked beach huts, Sandbanks, Poole, Dorset, UK 2009

Gavin Hellier / Old tourist yellow double decker bus outside Royal Naval Dockyard, Sandys Parish, Bermuda 2007

Pat Tuson / London double-decker bus powered by electric hybrid technology, London, UK August 2009

Pat Tuson / Double decker London bus powered by electric hybrid technology, London, UK August 2009

Murray Cooper / Southern Double-collared Sunbird (Cinnyris chalybeus) male on flower, South Africa

Mark Carwardine / Plumed / Double crested basilisk / Jesus Christ lizard (Basiliscus plumifrons) close up of eye, captive, from rainforests of Central and South America, Bristol Zoo

Mark Carwardine / Australian / Double-wattled cassowary (Casuarius casuarius) captive, from New Guinea and northern Queensland, Australia, Bristol Zoo

Floris van Breugel / Wind and blowing sand has, over millions of years, carved incredible forms out of the Southwest's sandstone, such as this alcove and double arch. Vermilion Cliffs, Arizona, USA

Ole Jorgen Liodden / Double-banded Plover (Charadrius bicinctus) portrait, Auckland Islands, New Zealand. November.

Ole Jorgen Liodden / Double-banded Plover (Charadrius bicinctus) portrait, Auckland Islands, New Zealand. November.

Claudio Contreras / Double-Crested Cormorant (Phalacrocorax auritus), Royal Tern (Sterna maxima) and tourists canoeing in background, El Requeson, Gulf of California, Baja California Peninsula, Mexico, December. (Digital...

Oriol Alamany / Male Double-banded sandgrouse (Pterocles bicinctus), Kruger National Park, South Africa, September.

Kerstin Hinze / Greater Double collared sunbird (Nectarinia afra), male feeding from Natal Bottle Brush (Greyia sutherlandii) Hidden Valley, KwaZulu-Natal, South Africa, October

Kerstin Hinze / Greater Double collared sunbird (Nectarinia afra), female feeding from Natal Bottle Brush (Greyia sutherlandii) Hidden Valley, KwaZulu-Natal, South Africa, October

Kerstin Hinze / Greater Double collared sunbird (Nectarinia afra), female feeding from Natal Bottle Brush (Greyia sutherlandii) Hidden Valley, KwaZulu-Natal, South Africa, October

Barry Mansell / Double-crested Cormorant (Phalacrocorax auritus) Everglades National Park, South Florida, USA. May

Sue Daly / Tube worm / Double sprial worm (Bispira volutacornis) Channel Islands, UK June

Nick Upton / London Plane Tree (Platanus x hispanica) with dangling fruits overhanging the River Thames with the London Eye and a double decker bus crossing Lambeth Bridge in the background, London, UK, May. 2012

Nick Upton / Double decker bus passing peeling bark of pollution resistant London Plane Tree (Platanus x hispanica), Euston Road, London, UK, May. 2012

Michel Poinsignon / Yellow lady's slipper orchid (Cypripedium calceolus) double flower, Haute-Marne, France, May.

Erlend Haarberg / Two male Great snipe (Gallinago media) displaying, Norway, June

Erlend Haarberg / Male Great snipe (Gallinago media) displaying in rain, Norway, June

Erlend Haarberg / Male Great snipe (Gallinago media) displaying, Norway, May

Erlend Haarberg / Male Great snipe (Gallinago media) displaying, Norway, May

Erlend Haarberg / Great snipe (Gallinago media) calling, Norway, May

Martin Willis / Double-eyed Fig-Parrot (Cyclopsitta diophthalma) male eating fruit from Fig (Ficus sp), Atherton Tableland, Queensland, Australia

Martin Willis / Double-eyed Fig-Parrot (Cyclopsitta diophthalma) male, Atherton Tableland, Queensland, Australia

Martin Willis / Double-barred Finch (Taeniopygia bichenovii) group sitting on a branch, Townsville, Queensland, Australia

Martin Willis / Double-barred Finch (Taeniopygia bichenovii), Townsville, Queensland, Australia

Benoit Stichelbaut / Monohull Open 60ft "Foncia", skippered by Michel Desjoyeaux. Transatlantic Jaques Vabre race, Port Le Foret, France, 25 September 2007

Merryn Thomas / Annie Januszewski and Mel King training to row across the Atlantic in the WoodVale Challenge. Bristol Floating Harbour, 17th September 2009. Model Released.

Merryn Thomas / Practice boat for Annie Januszewski and Mel King's row across the Atlantic. Bristol Floating Harbour, 17th September 2009.

Merryn Thomas / Annie Januszewski and Mel King training to row across the Atlantic in the WoodVale Challenge. Bristol Floating Harbour, 17th September 2009. Model Released.

Merryn Thomas / Practice boat for Annie Januszewski and Mel King's row across the Atlantic. Bristol Floating Harbour, 17th September 2009.

Merryn Thomas / Annie Januszewski and Mel King training to row across the Atlantic in the WoodVale Challenge. Bristol Floating Harbour, 17th September 2009. Model Released.

Merryn Thomas / Annie Januszewski and Mel King training to row across the Atlantic in the WoodVale Challenge. Bristol Floating Harbour, 17th September 2009. Model Released.

Merryn Thomas / Practice boat for Annie Januszewski and Mel King's row across the Atlantic. Bristol Floating Harbour, 17th September 2009.

Merryn Thomas / Annie Januszewski and Mel King training to row across the Atlantic in the WoodVale Challenge. Bristol Floating Harbour, 17th September 2009. Model Released.

Merryn Thomas / Annie Januszewski and Mel King training to row across the Atlantic in the WoodVale Challenge. Bristol Floating Harbour, 17th September 2009. Model Released.

Merryn Thomas / Annie Januszewski and Mel King training to row across the Atlantic in the WoodVale Challenge. Bristol Floating Harbour, 17th September 2009. Model Released.

Merryn Thomas / Annie Januszewski and Mel King training to row across the Atlantic in the WoodVale Challenge. Bristol Floating Harbour, 17th September 2009. Model Released.

Merryn Thomas / Annie Januszewski and Mel King training to row across the Atlantic in the WoodVale Challenge. Bristol Floating Harbour, 17th September 2009. Model Released.

Benoit Stichelbaut / Figaro yacht "Cercle Vert" with Gildas Morvan and Bertrand de Broc. Transat AG2R La Mondiale, Port la Foret, Brittany, France, April 2010.

Benoit Stichelbaut / "Guyader pour Urgence Climatique" (Victorien Erussard and Loic Fequet) at the start of the Transat Jacques Vabre race, departing Le Havre, France. 8th November 2009.

Benoit Stichelbaut / Ferry and "Veolia Environment" (Roland Jourdain and Jean-Luc Nelias) at the start of the Transat Jacques Vabre race, departing Le Havre, France. 8th November 2009.

Benoit Stichelbaut / Fleet at the start of the Transat Jacques Vabre race, departing Le Havre, France. 8th November 2009.

Benoit Stichelbaut / Spectator boat and "Veolia Environment" (Roland Jourdain and Jean-Luc Nelias) at the start of the Transat Jacques Vabre race, departing Le Havre, France. 8th November 2009.

Benoit Stichelbaut / Helicopter flying low over "Veolia Environment" (Roland Jourdain and Jean-Luc Nelias) at the start of the Transat Jacques Vabre race, departing Le Havre, France. 8th November 2009.

Benoit Stichelbaut / "Veolia Environment" (Roland Jourdain and Jean-Luc Nelias) at the start of the Transat Jacques Vabre race, departing Le Havre, France. 8th November 2009.

Benoit Stichelbaut / Fleet at the start of the Transat Jacques Vabre race, departing Le Havre, France. 8th November 2009.

Benoit Stichelbaut / "Akena Verandas" (Arnaud Boissieres and Vincent Riou) at the start of the Transat Jacques Vabre race, departing Le Havre, France. 8th November 2009.