Michael D. Kern / Kaleidoscope pattern formed from picture of Greenbottle blue tarantula (Chromatopelma cyaneopubescens) - see original image number 01482830 EMBARGOED FOR NAT GEO UNTIL the end of 2015

Juergen Freund / Guttering to redirect water at the Daintree Drought Experiment, where rainforest plants grown under cover to see how they respond to drought. Daintree Rainforest Observatory, northern Queensland, Aust...

Ingo Arndt / Red-eyed tree frog (Agalychnis callidryas) eye closed with semi-transparent eyelid that allows it to see its surroundings even while resting, Costa Rica.

Ingo Arndt / Red-eyed Tree Frog (Agalychnis callidryas) close- up of eye half open, the golden webbed semi-transparent eyelid allows to see its surrounding even while resting, Costa Rica.

Floris van Breugel / California poppies (Eschscholzia californica) and California goldfields (Lasthenia californica) extend as far as the eye can see, Antelope Valley Poppy Preserve, California, USA

Floris van Breugel / California poppies (Eschscholzia californica) and California goldfields (Lasthenia californica) extend as far as the eye can see, Antelope Valley Poppy Preserve, California, USA

Cheryl-Samantha Owen / Shark spotter, in front of black flag at the Kalk Bay post. It provides a warning to ocean goers that visibility is bad and the shark spotters may not see a white shark if it does enter the bay. West...

Pedro Narra / Green turtle (Chelonia mydas) returning to see after egg laying, e to open sea after digging nest. Bissagos Islands, Guinea Bissau. Endangered species. 3rd Place in the SOS Especes Menacees / SOS End...

Olga Kamenskaya / Man looking through transparent ice (1m thick) on lake surface to see diver below. Lake Baikal, Russia, March 2008. Model released.

Olga Kamenskaya / Clear panes of ice on Lake Baikal, Siberia, Russia, March.

Olga Kamenskaya / Clear pane of ice, Lake Baikal, Siberia, Russia, March.

Alex Mustard / Blue shark (Prionace glauca) near the surface of the English Channel. Penzance, Cornwall, England, British Isles. North East Atlantic Ocean, August. Digitally manipulated to improve composition see 1...

David Tipling / Young brother and sister bird watching in woodland in summer, Norfolk. July 2012. Model Released Model released.

Mark Carwardine / Mark Carwardine and Douglas Adams on location for BBC radio series 'Last chance to see' in Robinson Crusoe's cave, Juan Fernandez Islands, Chile, December 1988

Mark Carwardine / Stephen Fry and Mark Carwardine with Brown lemurs on Lemur Island in Andasibe-Mantadia National Park, eastern Madagascar, while filming for BBC TV series 'Last Chance to See', November 2008

Mark Carwardine / Stephen Fry and Mark Carwadine after a mud bath in Borneo, filming for BBC TV series 'Last Chance to See', March 2009

Christophe Courteau / Black heron (Egretta ardesiaca) spreads its wings on the Okavango Detla, Botswana. The birds' wings form an umbrella over the water so they can see and hunt fish more easily

Andy Rouse / 2020VISION / Little Owl (Athene noctua) taking flight from a post. Wales, UK, June. Did you know? Owls are far sighted - so can't see objects close to their faces clearly.

Kathryn Jeffs / Southern Type B Killer whale (Orcinus orca) spyhops to see if Crabeater seals (Lobodon carcinophagus) are potential prey, Antarctica. Taken on location for BBC Frozen Planet series, January 2009

Guy Edwardes / 2020VISION / Family, couple with baby, birdwatching in reedbeds at Westhay SWT reserve, Somerset Levels, Somerset, England, UK, June 2011 Model released. Did you know? Westhay Somerset Wildlife Trust reserve is a...

Terry Whittaker / 2020VISION / Grey heron (Ardea cinerea) standing on ice feeding on fish bought by visitors from supermarket, Reddish Vale Country Park, Greater Manchester, UK. Photographer quote: "It's great to see herons in loca...

Ben Hall / 2020VISION / Young girl showing her grandfather a bluebell flower, The National Forest, Midlands, April 2011, Model released. 2020VISION Exhibition. Did you know? At the beginning of the 20th century special 'Blue...

Juergen Freund / Spinner dolphins (Stenella longirostris) being herded towards a tourist resort for the guests to see up close. Papua New Guinea, May 2010.

Peter Cairns / 2020VISION / Red deer (Cervus elaphus) stag in pine forest in snow blizzard, Alvie Estate, Cairngorms NP, Highlands, Scotland, UK, March. Photographer quote: "At times I couldn't see this red deer stag such was th...

Nick Garbutt / Three Ring-tailed Lemurs (Lemur catta) sun basking at dawn. Berenty Private Reserve, southern Madagascar. (digitally stitched image)

David Woodfall / Young woman fishing for shrimp fry, looking in net to see the catch, Ganges Delta, Bangladesh, November 2008

Anup Shah / Male African lion {Panthera leo} trotting across his territory to see of an intruder, Masai Mara GR, Kenya. Lions can run at speeds of 50mph!

Martin Dohrn / Stampeding Wildebeest {Connochaetes taurinus}. Heads held low to see ground in pitch black night. Serengeti, Tanzania, East Africa. Infra red image from 'Starlight' camera, from film.

Stephen Downer / John Downer P / Asian musk shrews caravanning behind mother to avoid getting lost - if contact is lost they will reattach to any moving object they see (Resolution restriction - image digitised from film, 'Weird Natu...

George Sanker / Tricoloured heron (Egretta tricolor) fishing with wings formed into partial umbrella to shade water, making it easier to see prey. At dusk, Myakka River State Park, Florida, USA, March.

George Sanker / Tricoloured heron (Egretta tricolor) fishing with wings formed into partial umbrella to shade water, making it easier to see prey. At dusk, Myakka River State Park, Florida, USA, March.

Theo Bosboom / Stranded guillemots (Uria aalgae) in care at Ecomare, Texel. This guillemot is doing a test swim, to see if it healthy enough to stay afloat. The Netherlands, February 2019.

Heather Angel / Common rue (Ruta graveolens) flower in UV light, pollen and nectar at base of petals fluorescing. Insect pollinators are able to see position of rewards on offer. Surrey, England, UK. Native to Balkan...

Karine Aigner / Biologists sift through Burmese pythons (Python bivittatus) faeces to see what invasive pythons are eating. Florida, USA, July 2018.

Juergen Freund / Scientific experiment to see how rainforest plants cope under drought conditions. Daintree Rainforest Observatory, Australia. December 2015

Juergen Freund / Scientific experiment to see how rainforest plants cope under drought conditions, with photograph on tablet showing what a wet healthy forest looks like. Daintree Rainforest Observatory, Australia. De...

Juergen Freund / Scientific experiment to see how rainforest plants cope under drought conditions, with photograph on tablet showing what a wet healthy forest looks like. Daintree Rainforest Observatory, Australia. De...

Juergen Freund / Scientific experiment to see how rainforest plants cope under drought conditions, with photograph on tablet showing what a wet healthy forest looks like. Daintree Rainforest Observatory, Australia. De...

Juergen Freund / Drought stressed plant at scientific experiment to see how rainforest plants cope under drought conditions. Daintree Rainforest Observatory, Australia. December 2015

Juergen Freund / The Daintree Drought Experiment, rainforest plants grown under cover to see how they respond to drought. Daintree Rainforest Observatory, northern Queensland, Australia. October 2015

Juergen Freund / The Daintree Drought Experiment, rainforest plants grown under cover to see how they respond to drought. Daintree Rainforest Observatory, northern Queensland, Australia. October 2015

Juergen Freund / Water redirected through gutters at the Daintree Drought Experiment, where rainforest plants are grown under cover to see how they respond to drought. Daintree Rainforest Observatory, northern Queensl...

Juergen Freund / Water redirected through gutters at the Daintree Drought Experiment, where rainforest plants are grown under cover to see how they respond to drought. Daintree Rainforest Observatory, northern Queensl...

Juergen Freund / The Daintree Drought Experiment, rainforest plants are grown under cover to see how they respond to drought. Daintree Rainforest Observatory, northern Queensland, Australia. October 2015

Juergen Freund / The Daintree Drought Experiment, rainforest plants grown under cover to see how they respond to drought. Daintree Rainforest Observatory, northern Queensland, Australia. September 2015

Juergen Freund / The Daintree Drought Experiment, rainforest plants grown under cover to see how they respond to drought. Daintree Rainforest Observatory, northern Queensland, Australia. September 2015

Juergen Freund / The Daintree Drought Experiment, rainforest plants grown under cover to see how they respond to drought. Daintree Rainforest Observatory, northern Queensland, Australia. September 2015

Juergen Freund / The Daintree Drought Experiment, rainforest plants grown under cover to see how they respond to drought. Daintree Rainforest Observatory, northern Queensland, Australia. September 2015

Juergen Freund / The Daintree Drought Experiment, rainforest plants grown under cover to see how they respond to drought. Daintree Rainforest Observatory, northern Queensland, Australia. September 2015

Juergen Freund / The Daintree Drought Experiment, rainforest plants grown under cover to see how they respond to drought. Daintree Rainforest Observatory, northern Queensland, Australia. September 2015

Juergen Freund / The Daintree Drought Experiment, rainforest plants grown under cover to see how they respond to drought. Daintree Rainforest Observatory, northern Queensland, Australia. September 2015

Pedro Narra / Green turtle (Chelonia mydas) female returning to see after egg laying, Bijagos Archipelago, Guinea Bissau. Endangered species.

Karine Aigner / Tourists lining up outside the Akiba Fukurou Owl Cafento see and play with owls. They look at the menu' of owls they will see before they enter the 'cafe'. Tokyo, Japan.

Alex Hyde / Glass Frog (Centrolenidae, probably Hyalinobatrachium sp.) photographed on glass. Found in cloud forest, Manu Biosphere Reserve, Peru. November.

Alex Hyde / Glass Frog (Centrolenidae, probably Hyalinobatrachium sp.) photographed on glass, showing transparent underside. Found in cloud forest, Manu Biosphere Reserve, Peru. November. Digital composite.

Alex Hyde / Glass Frog (Centrolenidae, probably Hyalinobatrachium sp.) photographed on glass. showing transparent underside. Found in cloud forest, Manu Biosphere Reserve, Peru. November.

Konrad Wothe / Rainforest at Sandoval Lake, Tambopata National Reserve, Peru.

Alex Hyde / Nictitating membrane covering eye of Map Treefrog (Hypsiboas geographicus). The membrane affords camouflage and protection from dryness whilst allowing the frog to see. Manu Biosphere Reserve, Amazoni...

Alex Mustard / Bluestreak cleaner wrasse (Labroides dimidiatus) attends to a Clark's anemonefish (Amphiprion clarkii) at a cleaning station on a coral reef. It is unusual to see an anemonefish at a cleaning stat...

Magnus Lundgren / Wild Wonders of China / Staff from Ocean Park Conservation Fund, OPCF, and students visit Ha Pak Nai to see the juvenile Chinese horseshoe crabs, (Tachypleus tridentatus) Yuen Long District, New territories, Hong Kong, China...

Magnus Lundgren / Wild Wonders of China / Staff from Ocean Park Conservation Fund, OPCF, and students visit Ha Pak Nai to see the juvenile chinese horseshoe crabs (Tachypleus tridentatus) in a mudflats, Yuen Long District, Hong Kong, China.

Karine Aigner / Biologist blowing on the breast of a Hermit thrush (Catharus guttatus) in order to separate feathers to see how much fat the bird has gained. Fat gain is important for migratory birds as they use a lo...

Eladio Fernandez / Cuban clearwing (Greta cubana) Cuba. Endemic.

Ashley Cooper / Mountaineer testing the thickness of ice on sprinkling Tarn to see if it safe to walk on, Lake District, England, UK. March 2013

Ashley Cooper / Powder print from Pigeon or dove (Columba sp) flying into a house window. June 2007

Neil Aldridge / White rhinoceros (Ceratotherium simum) horn held in human hand. Rhino horn is trafficked illegally to the Far East to be used in Traditional Chinese Medicine and to feed demand from those who see it a...

Solvin Zankl / Firefly squid (Watasenia scintillans) emitting light from photophores, Toyama Bay, Japan. This form of bioluminescence is used as counter illumination camouflage. See image 1601190 for comparison with...

Solvin Zankl / Firefly squid (Watasenia scintillans) releasing eggs into the water during spawning season, Toyama Bay, Namerikawa, Japan. See image 1601191 for comparison showing bioluminescence.

Adrian Davies / Longhorn grasshopper (Deispona sp) Mt Kinabalu, Sabah, Borneo. See 1597583 for comparison with UV light.

Adrian Davies / Longhorn grasshopper (Deispona sp) at night lit by UV light. Mt Kinabalu, Sabah, Borneo. See 1597584 for comparison without UV light.

Nick Garbutt / Borneo giant forest scorpion (Heterometrus longimanus) resting inside a fallen hollow log. Danum Valley, Sabah, Borneo. Photographed with natural light and UV light, see 1588717 for a comparative imag...

Nick Garbutt / Borneo giant forest scorpion (Heterometrus longimanus) resting inside a fallen hollow log. Danum Valley, Sabah, Borneo. Photographed with natural light only, see 1588718 for a comparative image with U...

Juergen Freund / Snorkellers swimming the reefs of the Great Barrier Reef with a semi-submesible carrying tourists to see the reef from underwater, Great Barrier Reef, Queensland, Australia October 2016.

Juergen Freund / Snorkellers swimming the reefs of the Great Barrier Reef with a semi-submesible carrying tourists to see the reef from underwater, Great Barrier Reef, Queensland, Australia October 2016.

Juergen Freund / Snorkellers swimming the reefs of the Great Barrier Reef with a semi-submesible carrying tourists to see the reef from underwater, Great Barrier Reef, Queensland, Australia October 2016.

John Waters / Birdwatcher waiting to see a murmuration of Common starlings (Sturnus vulgaris), Ham Wall RSPB Reserve, Somerset Levels, England, UK, December.

John Waters / Birdwatchers waiting to see a murmuration of Common starlings (Sturnus vulgaris), Ham Wall RSPB Reserve, Somerset Levels, England, UK, December.

John Waters / Birdwatchers waiting to see a murmuration of Common starlings (Sturnus vulgaris), Ham Wall RSPB Reserve, Somerset Levels, England, UK, December.

Denis-Huot / Lion (Panthera leo), male flehmen response, scenting female's urine to see if she is on heat, Masai-Mara Game Reserve, Kenya

Denis-Huot / Lion (Panthera leo) male flehmen response, scenting female's urine to see if she is on heat,, Masai-Mara Game Reserve, Kenya

Denis-Huot / Lion (Panthera leo) male flehmen response, scenting female's urine to see if she is on heat, Masai-Mara Game Reserve, Kenya

Pascal Pittorino / Man on the beach in the gulf of Porto, see from above, UNESCO World heritage site and Corsica"s National Park (Parc naturel regional de Corse). Corsica, France, May

Constantinos Petrinos / Mediterranean forest fire. During the summer months of 2007, Greece witnessed the greatest forest fire disaster to date. Forest fires throughout Greece burned approximately 270,000 hectars, 63 people...

Ingo Arndt / Helicopter landing bringing tourists to see Harp seals (Phoca groenlandicus) on sea ice, Magdalen Islands, Canadian Arctic, Gulf of St Lawrence, Quebec, Canada, March 2013.

Ingo Arndt / Spurell's Flying Frog (Agalychnis spurelli) eye closed with semi-transparent eyelid that allows it to see its surroundings even while resting, Costa Rica.

Solvin Zankl / Mostly in the night, when the sand cooles down the hatchlings (Hawksbill) struggle to the surface of the sand and rush to the sea all at once. Here you can see the depression where they came out and t...

Charlie Summers / The Witch Head Nebula, IC 2118. If you reverse the image 180 degrees, you can readily see the profile of the witch, not so recognizable upside down. This is the correct orientation as seen from East...

Jeff Rotman / Measuring American lobster (Homarus americanus) to see if it is legal, Yarmouth, Maine, USA October. Model released.

Jeff Rotman / Lobsterman checks underside of American lobster (Homarus americanus) to see if it is carrying eggs, Portland, Maine, USA October. Model released.

Erlend Haarberg / Wild Reindeer (Rangifer tarandus) male smelling female to see if she is receptive to mating - flehmen - Forollhogna National Park. Norway, September

Erlend Haarberg / Wild Reindeer (Rangifer tarandus) male smelling female to see if she is receptive to mating - flehmen - Forollhogna National Park. Norway, September

Yva Momatiuk & John Eastcott / Angolan Giraffe (Giraffa giraffa angolensis) male smelling female to see if she is in estrus in salt pan, Etosha Pan, Etosha National Park, Namibia

Yva Momatiuk & John Eastcott / Angolan Giraffe (Giraffa giraffa angolensis) mother and calf, with male flehming to see if female is in estrus, Etosha National Park, Namibia

Shin Yoshino / Desert Bighorn Sheep (Ovis canadensis nelsoni) ram smelling female to see if she is in heat, Hemenway Valley Park, Boulder City, Nevada

Jiri Lochman / Jewel beetles (Julodimorpha bakewelli) males attempting to mate with a discarded beer bottle. Females of this species are flightless and considerably larger than the males, hence the attraction what t...

Jiri Lochman / Jewel beetles (Julodimorpha bakewelli) males attempting to mate with a discarded beer bottle. Females of this species are flightless and considerably larger than the males, hence the attraction what t...