Paul D Stewart / 1881 portrait of Charles Robert Darwin (12 February 1809 - 19 April 1882) English Naturalist and author of the Origin of Species. 1922 Hand coloured portrait aquatint of Darwin by G. Sidney Hunt after...

Paul D Stewart / Illustration of Giant Octopus (Octopus dofleini) attacking a ship, 1815 copperplate engraving from Bertuch's 'Bilderbuch fur kinder' 16 plate 5. with contemporary colour. 'Colosal Polypus' (octopus) a...

Paul D Stewart / 1853 illustration of Gorilla, contemporary coloured copperplate engraving from 'Das Buch der Welt' John Weik, Stuttgart. The lowland Gorilla was first accurately described outside Africa by the missio...

Martin Dohrn / Cardinal fish (Apogon sp) moments after it has mistakenly tried to eat an ostracod. The ostracod then releases glowing mucus that is so bright that it can be seen through the body of the fish. This gi...

Barrie Britton / Male Sage grouse (Centrocercus urophasianus) displaying at lek - side view. Wyoming, USA. Picture taken during filming for BBC "Life" TV Series, April 2007

Barrie Britton / Male Sage Grouse (Centrocercus urophasianus) displaying at lek. Wyoming, USA. Picture taken during filming for BBC "Life" TV Series, April 2007

Barrie Britton / Decorated bower of Vogelkop Bowerbird (Amblyornis inornata). Vogelkop Peninsula, West Papua, Indonesia. Picture taken during filming for the BBC "Life" TV Series, September 2008

Barrie Britton / Male Vogelkop bowerbird (Amblyornis inornata) inspects the decorations outside his bower. Vogelkop Peninsula, West Papua, Indonesia. Picture taken during filming for BBC "Life" TV Series, September 20...

Barrie Britton / Male Vogelkop bowerbird (Amblyornis inornata) outside his decorated bower. Vogelkop Peninsula, West Papua, Indonesia. Picture taken during filming for BBC "Life" TV Series, September 2008

Barrie Britton / Scarlet ibis (Eudocimus ruber) in flight, Caroni Swamp, Trinidad. Picture taken during filming for BBC "Secrets of the Caribbean" TV Series, January 2006

Barrie Britton / Lesser flamingos (Phoenicopterus minor). Lake Bogoria, Kenya. Picture taken during filming for BBC "Life" TV Series, May 2008

Barrie Britton / Whooper swan (Cygnus cygnus) in Bayinbuluke Swan Lake Nature Reserve. Xinjiang, China. Picture taken during filming of BBC "Wild China" TV Series, June 2006.

Barrie Britton / Sunset over winding river in Bayinbuluke Swan Lake Nature Reserve. Xinjiang, China. Picture taken during filming of BBC "Wild China" TV Series, June 2006.

Eric Baccega / Spectacled bear (Tremarctos ornatus) climbing in tree in the dry forest, Chaparri Ecological Reserve, Peru, South America, captive

Eric Baccega / Encounter of two Spectacled bears (Tremarctos ornatus) climbing in tree on a typical misty morning in the dry forest, Chaparri Ecological Reserve, Peru, South America

Eric Baccega / Amazilia hummingbird (Amazilia amazilia) flying to Agave flower to feed on it, Chaparri Ecological Reserve, Peru, South America

Niall Benvie / A conceptual picture of Global warming illustrated through a model of the earth with a sign at the North Pole saying "Danger, Thin Ice".

Dave Watts / Pair of Satin bowerbirds {Ptilonorhynchus violaceus} at bower East Australia. Female in bower, male displaying to her using blue ornaments. Satin Bowerbirds collect blue and yellow ornaments and the m...

Pete Oxford / Nature Picture Library photographer Pete Oxford at -40 C Darkhad depression, Mongolia - icicles forming on eyelashes and hair 2002

Mark Hamblin / 2020VISION / Boy taking picture of girl sitting on trig point on summit of Ben Macdui, Cairngorms National Park, Scotland, UK, August 2010.

Staffan Widstrand / Beer can with a picture of a Polar bear (Ursus maritimus) Svalbard, Norway

Floris van Breugel / Sky Pilot (Polemonium eximium)flowering with views of Sierra Nevada near the summit of Mount Agassiz, John Muir Wilderness, California, July 2010. The prominent peaks are Picture Puzzle and Cloudrippe...

Terry Whittaker / 2020VISION / Southern marsh orchid (Dactylorhiza praetermissa) in protected area of brownfield development site. UK, Kent, June 2012. This site was developed soon after this picture was taken.

Georgette Douwma / Blueline snappers (Lutjanus kasmira) school with an underwater photographer taking a picture. Maldives, Indian Ocean, 2012

Konstantin Mikhailov / Mt. Shuksan with a line of Douglas firs (Pseudotsuga menziesii) mirrored on Picture Lake, North Cascades National Park, Mt. Baker Recreatation Area, Washington, USA, January 2009. Stiched panorama.

Konstantin Mikhailov / Mt. Shuksan and the forest of Douglas firs on the shore of Picture Lake, North Cascades National Park – Mt. Baker Recreatation Area, Washington, USA, January 2000. Stiched panorama.

Ben Osborne / African lions (Panthera leo) feed on carcass of an Elephant (Loxodonta africana) that they killed the previous night. The lion on the right is threatening new arrivals off to the left of the picture....

Kristel Richard / Konik horses (Equus caballus) - wild Konik breeding stallion enquiring a competitor (not in the picture), Millingerwaard nature reserve, Netherlands, April

Kristel Richard / Konik horses (Equus caballus) - wild Konik breeding stallion enquiring a competitor (not in the picture), Millingerwaard nature reserve, Netherlands, April

Pete Oxford / South American Freshwater Crab (Pseudothelpusidae, Kingsleya sp.) Family of freshwater crabs found through central and South America. Ecaudor. Crab was handled to take picture.

Juergen Freund / Picture vendor walking along a street to sell his wall photographs. Here he brings Mecca to people's doorstep. Wanci, Wakatobi, Sulawesi, Indonesia, October 2009.

Barrie Britton / Male Sage Grouse (Centrocercus urophasianus) displaying at lek - rear view. Wyoming, USA. Picture taken during filming for BBC "Life" TV Series, April 2007

Barrie Britton / Male Sage grouse (Centrocercus urophasianus) lek. Wyoming, USA. Picture taken during filming for BBC "Life" TV Series, April 2007

Barrie Britton / Decorated bower of Vogelkop Bowerbird (Amblyornis inornata). Vogelkop Peninsula, West Papua, Indonesia. Picture taken during filming for the BBC "Life" TV Series, September 2008

Barrie Britton / Male Vogelkop bowerbird (Amblyornis inornata) inspects the decorations outside his bower. Vogelkop Peninsula, West Papua, Indonesia. Picture taken during filming for BBC "Life" TV Series, September 20...

Barrie Britton / Male Vogelkop bowerbird (Amblyornis inornata). Vogelkop Peninsula, West Papua, Indonesia. Picture taken during filming for BBC "Life" TV Series, September 2008

Barrie Britton / Silky / pygmy anteater (Cyclopes didactylus) in Caroni Swamp, Trinidad. Picture taken during filming for BBC "Secrets of the Caribbean" TV Series, January 2006

Barrie Britton / Silky / pygmy anteater (Cyclopes didactylus) in Caroni Swamp, Trinidad. Picture taken during filming for BBC "Secrets of the Caribbean" TV Series, January 2006

Barrie Britton / Scarlet ibis (Eudocimus ruber) roosting in Caroni Swamp, Trinidad. Picture taken during filming for BBC "Secrets of the Caribbean" TV Series, January 2006

Barrie Britton / View of Little Tobago Island. Picture taken during filming for BBC "Life" TV Series, March 2008

Barrie Britton / View over river through tropical rainforest. Ketambe Research Station, Gunung Leuser National Park, Sumatra, Indonesia. Picture taken during filming trip for BBC "Life" TV Series, August 2007

Barrie Britton / View across tropical rainforest, Ketambe Research Station, Gunung Leuser National Park, Sumatra, Indonesia. Picture taken during filming trip for BBC "Life" Series, August 2007

Barrie Britton / Sumatran orangutan (Pongo abelii) hands and feet in tropical rainforest. Ketambe Research Station, Gunung Leuser National Park, Sumatra, Indonesia. Picture taken during filming for BBC "Life" TV Serie...

Barrie Britton / Canopy access specialist James Aldred climbing to hide for filming of Harpy eagle (Harpia harpyja) nest with young bird in background. Darien, Panama. Picture taken during filming for BBC "Planet Eart...

Barrie Britton / Lesser Flamingos (Phoenicopterus minor). Lake Bogoria, Kenya. Picture taken during filming for BBC "Life" TV Series, May 2008

Barrie Britton / Lesser flamingos (Phoenicopterus minor) and Marabou storks (Leptoptilos crumeniferus) with rainbow from approaching storm. Lake Bogoria, Kenya. Picture taken during filming for BBC "Life" TV Series, M...

Barrie Britton / Lesser flamingos (Phoenicopterus minor) with approaching storm. Lake Bogoria, Kenya. Picture taken during filming for BBC "Life" TV Series, May 2008

Barrie Britton / Lesser flamingos (Phoenicopterus minor) with approaching storm. Lake Bogoria, Kenya. Picture taken during filming for BBC "Life" TV Series, May 2008

Barrie Britton / African fish eagles (Haliaeetus vocifer) squabbling over carcass of Lesser flamingo (Phoenicopterus minor). Lake Bogoria, Kenya. Picture taken during filming for BBC "Life" TV Series, May 2008

Barrie Britton / Lesser flamingos (Phoenicopterus minor) courtship dance. Lake Bogoria, Kenya. Picture taken during filming for BBC "Life" TV Series, May 2008 Not available for ringtone/wallpaper use.

Barrie Britton / Lesser flamingos (Phoenicopterus minor) courtship dance. Lake Bogoria, Kenya. Picture taken during filming for BBC "Life" TV Series, May 2008

Barrie Britton / Lesser flamingos (Phoenicopterus minor) courtship dance. Lake Bogoria, Kenya. Picture taken during filming for BBC "Life" TV Series, May 2008.

Barrie Britton / Lesser Flamingos (Phoenicopterus minor) gathered around steaming hot springs. Lake Bogoria, Kenya. Picture taken during filming for BBC "Life" TV Series, May 2008

Barrie Britton / Lesser flamingos (Phoenicopterus minor), Lake Bogoria, Kenya. Picture taken during filming for BBC "Life" TV Series, May 2008

Barrie Britton / Lesser flamingos (Phoenicopterus minor) courtship dance in middle of huge flock. Lake Bogoria, Kenya. Picture taken during filming for BBC "Life" TV Series, May 2008

Barrie Britton / Lesser flamingos (Phoenicopterus minor) gathered around steaming hot spring. Lake Bogoria, Kenya. Picture taken during filming for BBC "Life" TV Series, May 2008

Barrie Britton / Male Atlantic horseshoe crabs (Limulus polyphemus) cluster around egg-laying female. Mispillion Harbour, Delaware Bay, USA. Picture taken during filming for BBC "Life" TV Series, May 2008

Barrie Britton / Mass spawning of Atlantic horseshoe crabs (Limulus polyphemus), Mispillion Harbour Reserve, Delaware Bay, USA. Picture taken during filming for BBC "Life" TV Series, May 2008

Barrie Britton / Mass spawning of Atlantic horseshoe crabs (Limulus polyphemus), Mispillion Harbour Reserve, Delaware Bay, USA. Picture taken during filming for BBC "Life" TV Series, May 2008

Barrie Britton / Semipalmated sandpipers (Calidris pusilla) standing on the backs of spawning Atlantic horseshoe Crabs (Limulus polyphemus). The Sandpipers feed on the crabs' eggs. Mispillion Harbour, Delaware Bay, US...

Barrie Britton / Semipalmated sandpipers (Calidris pusilla) standing on the backs of spawning Atlantic horseshoe Crabs (Limulus polyphemus). The Sandpipers feed on the crabs' eggs. Mispillion Harbour, Delaware Bay, US...

Barrie Britton / Semipalmated sandpiper (Calidris pusilla) standing on the back of spawning Atlantic horseshoe crabs (Limulus polyphemus). The Sandpipers feed on the Crabs' eggs. Mispillion Harbour, Delaware Bay, USA....

Barrie Britton / Shorebirds feeding on the eggs of Atlantic Horseshoe Crabs (Limulus polyphemus). Includes Red knot (Calidris canutus rufa), Ruddy turnstone (Arenaria interpres), Dunlin (Calidris alpina) and Semipalma...

Barrie Britton / Atlantic horseshoe crabs (Limulus polyphemus) spawing. The water is foamy from large quantity of milt released. Mispillion Harbour, Delaware Bay, USA. Picture taken during filming for BBC "Life" TV Se...

Barrie Britton / Red Knot (Calidris canutus rufa) feeding on the backs of Atlantic Horseshoe Crabs (Limulus polyphemus). Red knots' spring migration coincides with the spawning of the crabs. Mispillion Harbour Reserve...

Barrie Britton / Shorebirds including Red knot (Calidris canutus rufa) feeding among spawning Atlantic Horseshoe Crabs (Limulus polyphemus). Mispillion Harbour Reserve, Delaware Bay, USA. Picture taken during filming...

Barrie Britton / Mountain flower meadow, Mount Changbai National Park, North-east China. Picture taken during filming for BBC "Wild China" TV Series, July 2006.

Barrie Britton / Yellow Lily (Lilium sp.) in mountain meadow, Mount Changbai National Park, North-east China. Picture taken during filming for BBC "Wild China" TV Series, July 2006.

Barrie Britton / Heaven Lake on border between China and North Korea, Mount Changbai National Park, North-east China. Picture taken during filming for BBC "Wild China" TV Series, July 2006.

Barrie Britton / Rosy Starling (Sturnus roseus), Western China. Picture taken during filming for BBC "Wild China" TV Series, June 2006.

Barrie Britton / Rosy starling (Sturnus roseus) by nesting hole in stone wall, Western China. Picture taken during filming for BBC "Wild China" TV Series, June 2006.

Barrie Britton / Sunset over winding river in Bayinbuluke Swan Lake Nature Reserve, Xinjiang, China. Picture taken during filming of BBC "Wild China" TV Series, June 2006.

Barrie Britton / Bar-headed Geese (Anser indicus) in flight over Bayinbuluke Swan Lake Nature Reserve. Xinjiang, China. Picture taken during filming of BBC "Wild China" TV Series, June 2006.

Barrie Britton / Cameraman Barrie Britton filming in the Belcher Islands, Hudson Bay, Canada. Picture taken during filming for BBC "Planet Earth" TV Series, March 2006.

Barrie Britton / Eider (Somateria mollissima) flock roosting in a polynya, an ice hole kept open in the frozen sea by tidal currents. Belcher Islands, Hudson Bay, Canada. Picture taken during filming for the BBC "Pla...

Barrie Britton / Dead Polar Bear (Ursus maritimus) on sledge. Shot by Inuit of Belcher Island for their annual polar bear quota. Picture taken during filming for BBC "Planet Earth" TV Series February 2006.

Barrie Britton / Dead Polar bear (Ursus maritimus) on sledge, shot by Inuit of Belcher Island for their annual polar bear quota. Picture taken during filming for BBC "Planet Earth" TV Series February 2006.

Nick Upton / Picture-winged fly (Seioptera vibrans) displaying by flicking wings open and closed. Wiltshire, UK, June.

Bernard Castelein / Old Buddhist nun, looking at a picture of the Dalai Lama, Tarkeghyang, Heambu region, Nepal, November 2009

Juan Manuel Borrero / Outdoor sculpture in shape of picture frame, Lerida city, Catalonia, Spain. September 2008.

Juan Manuel Borrero / Outdoor sculpture in shape of picture frame, Lerida city, Catalonia, Spain. September 2008.

Stephen Dalton / Spitting spider (Scytodes thoracica) on picture frame, UK, Scytodidae

Stephen Dalton / Spitting spider (Scytodes thoracica) on picture frame, UK, Scytodidae

Stephen Dalton / Spitting spider (Scytodes thoracica) concealed on picture frame, UK, Scytodidae

Wild Wonders of Europe / Schandy / Mountain range seen from Mount Elbrus, late evening, last light with fog in the valley. The double mountain in the middle of the picture is Ushba, which is just on the Georgian side of the border, Cau...

Gabriel Rojo / Road sign warning of wildlife, with Guanaco (Lama guanicoe) picture, Monte Leon National Park, Santa Crus Province, Patagonia, Argentina, December 2006

Eric Baccega / Female Mountain gorilla (Gorilla beringei) Volcanoes National Park, Rwanda, Africa

Eric Baccega / Farmland and traditional houses with Nyiragongo volcano (3740m) in the background, Rwanda, Africa

Eric Baccega / Peruvian bobby (Sula variegata) nesting colony, Isla Ballestas, Ballestas Islands, Peru.

Eric Baccega / Worker showing different tea qualities in factory, Nyunguwe, Rwanda, Africa, 2008

Eric Baccega / Peruvian pelican colony (Pelecanus thagus) Isla Ballestas, Ballestas Islands, Peru

Eric Baccega / Male silverback Mountain gorilla (Gorilla beringei) sitting, Volcanoes National Park, Rwanda, Africa

Eric Baccega / Male Spectacled bear (Tremarctos ornatus) Chaparri Ecological Reserve, Peru, South America, captive

Eric Baccega / Female Mountain gorilla with her baby (Gorilla beringei) Volcanoes National Park, Rwanda, Africa

Eric Baccega / Encounter and intimidating behavior between two Spectacled bears (Tremarctos ornatus) climbing in tree, Chaparri Ecological Reserve, Peru, South America, captive

Eric Baccega / Croaking ground doves (Columbina cruziana) Chaparri Ecological Reserve, Peru, South America