Linda Pitkin / 2020VISION / Fisheries assistant Stephanie Kershaw and volunteer John Dumont from the Eden Rivers Trust searching for White clawed crayfish (Austropotamobius pallipes) as part of a capture and release conservation...

Paul D Stewart / Aerial view of Grand Prismatic thermal spring in Yellowstone National Park, USA. The bright colours are natural, coming from thermophile bacteria in the water. People can be seen walking on the raised...

Anup Shah / Western lowland gorilla (Gorilla gorilla gorilla) juvenile male 'Mobangi' aged 5 years reaching into a hole in a tree for rotting wood to feed on, Bai Hokou, Dzanga Sangha Special Dense Forest Reserve...

Cheryl-Samantha Owen / A ranger looks for Chimpanzees in Semliki National Park's forest, Uganda, East Africa. No release available.

Fergus Gill / 2020VISION / Snow Butning (Plectrophenax nivalis) Searching for food in a snow storm. Cairngorms National Park

Sven Zacek / Grass Snake (Natrix natrix) looking out from between wood slats. Estonia, Europe, June.

Sven Zacek / Tail of a Pine Marten (Martes martes) sticking out from a black woodpecker hole as it forages for eggs and chicks. Estonia, Europe, May.

Andy Rouse / African Leopard (Panthera pardus) 'Olive' searching for prey. Masai Mara, Kenya.

Andy Rouse / African Leopard (Panthera pardus) 'Olive' searching for prey. Masai Mara, Kenya.

Mark Hamblin / 2020VISION / Coal tit (Periparus ater) adult perched in winter, Scotland, UK, December. Did you know? Coal tits keep in contact with their flock when searching for food, with constant 'dee' or 'seesee' calls.

Jenny E. Ross / Polar Bear (Ursus maritimus) sub-adult male on cliff searching for eggs in Brunnich's Guillemot nests, as gulls look on from above. This unusual behaviour happens when when lack of sea-ice prevents t...

Anup Shah / Black backed jackal pup (Canis mesomelas) searching through grass, Masai Mara National Reserve, Kenya

Anup Shah / Bonobo (Pan paniscus) mature male 'Manono' wading through water searching for food, Lola Ya Bonobo Sanctuary, Democratic Republic of Congo. October.

Juergen Freund / Four Green turtles (Chelonia mydas) looking for resting places on the reef. Sipadan Island, Semporna, Sabah, Malaysia, June

Laurent Geslin / Urban Wild boar (Sus scrofa) searching for food in on the streets at night, Barcelona, Spain, August

Laurent Geslin / Adult and young Wild boars (Sus scrofa) searching for food at night on a street in Barcelona, Spain

Laurent Geslin / Young man watches Wild boar family (Sus scrofa) searching for food on a street in Barcelona, Spain

Jeff Wilson / Camera crew searching for crevasse to film in, Gorner glacier, near Zermatt in the Swiss Alps, Switzerland. For BBC Planet Earth series, Mountains episode, 2006

Jeff Wilson / Jeff Wilson searching for Birds of Paradise, tropical rainforest, Papua New Guinea. For BBC Planet Earth, Jungles episode, 2005

Jeff Rotman / Sandblasters searching and blowing a magnetic hit during the recovery of the shipwreck "Las Maravillas", a Spanish galleon sunk in 1658, Bahamas. 1987, Model released Model released.

David Woodfall / Children searching for recyclable objects in landfill site, Dhaka, Bangladesh, November 2008

Jerry Monkman / Researchers searching for freshwater mussels in the Ashuelot River, Keene, New Hampshire, USA, September 2006.

Mike Wilkes / Great spotted woodpecker (Dendrocopos major) pecking at bark, searching for bugs under the bark, Warwickshire, UK

Solvin Zankl / Female Long-tailed / Tisza mayfly (Palingani a longicauda) rise up in the air soon after mating, where they form huge swarms and are out of range from males still searching for mates close to the wate...

Solvin Zankl / Female Long-tailed / Tisza mayfly (Palingani a longicauda) rise up in the air soon after mating, where they form huge swarms and are out of range from males still searching for mates close to the wate...

Wild Wonders of Europe / Hamblin / White stork (Ciconia ciconia) following tractor searching for insects amongst hay, Lithuania, June 2009

Wild Wonders of Europe / Campbell / Female Bottlenosed dolphin (Tursiops truncatus) with calf surfacing, patrolling rip-current searching for salmon / sea trout, Moray Firth, Nr Inverness, Scotland, May 2008

Yukihiro Fukuda / Japanese macaque (Macaca fuscata) searching for nuts with young watching, Jigokudani, Joshinetsu Kogen NP, Nagano, Japan

Roger Powell / European nuthatch {Sitta europaea} with bark in beak whilst searching for grubs on surface of tree trunk, Northumberland, UK

Bernard Castelein / Rufous / Indian treepie {Dendrocitta vagabunda} searching for insects on deer, Panna NP, Madhya Pradesh, India

Pete Cairns / Reindeer (Rangifer tarandus) searching for food under snow, Grampian Mountains, Cairngorms NP, Scotland, UK.

Jabruson / Sitatunga scratching {Tragelaphus spekei} while searching for seeds in dung left by elephants drinking , Maya Maya Nord Bai forest clearing, Odzala NP, Congo, West Africa

Jabruson / Sitatunga {Tragelaphus spekei} searching for seeds in dung left by elephants drinking , Maya Maya Nord Bai forest clearing, Odzala NP, Congo, West Africa

Jabruson / Sitatunga {Tragelaphus spekei} searching for seeds in dung left by elephants drinking , Maya Maya Nord Bai forest clearing, Odzala NP, Democratic Republic of Congo.

Yva Momatiuk & John Eastcott / Arctic Fox (Alopex lagopus) in spring, looking for carrion on sea ice, North Slope near Arctic Ocean, Alaska

Yva Momatiuk & John Eastcott / Arctic Fox (Alopex lagopus) in spring, North Slope, Alaska

Flip Nicklin / Polar Bear (Ursus maritimus) cub searching underwater for mother who is hunting, Baffin Island, Nunavut, Canada

Tui De Roy / Galapagos Land Iguana (Conolophus subcristatus) female searching for descent route into 1, 000 meter active caldera to nest, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / Galapagos Sea Lion (Zalophus wollebaeki) pup searching for mother among hostile cows, Punta Espinoza, Fernandina Island, Galapagos Islands, Ecuador

Richard Du Toit / Impala (Aepyceros melampus) with Red billed oxpecker (Buphagus erythorhynchus) searching for insects, Kruger NP, South Africa

Jabruson / Sitatunga doe and calf {Tragelaphus spekei} searching for seeds in dung left by elephants drinking , Maya Maya Nord Bai forest clearing, Odzala NP, Congo, West Africa

Juergen Freund / Harp seal surfacing at breathing hole searching for pup {Phoca groenlandicus} Magdalen Is, Canada, Atlantic

Nick Upton / Rook (Corvus frugilegus) searching for food left-overs dropped by tourists in Motorway service station car park, Dumfries and Galloway, Scotland, UK, July.

Linda Pitkin / 2020VISION / Volunteers David Greaves and John Stock searching for White clawed crayfish (Austropotamobius pallipes) as part of a capture and release conservation program, Cumbria, England, UK, September 2012. Mod...

Linda Pitkin / 2020VISION / Volunteers David Greaves and John Stock searching for White clawed crayfish (Austropotamobius pallipes) as part of a capture and release conservation program, Cumbria, England, UK, September 2012. Mod...

Linda Pitkin / 2020VISION / Conservation officer Joanne Backshall from the Eden Rivers Trust searching for White clawed crayfish (Austropotamobius pallipes) as part of a capture and release conservation program, Cumbria, England...

Philippe Clement / Palaeontologists and tourists looking for fossils on beach after landslide at the Black Ven between Lyme Regis and Charmouth along the Jurassic Coast, Dorset, UK, November 2012

Terry Whittaker / 2020VISION / Common redshank (Tringa totanus) searching for food along the shore, with snow in the foreground, South Swale Nature Reserve, Kent, England, UK, February

Markus Varesvuo / Common Treecreeper (Certhia familiaris) searching for insect prey under lichen on tree branch, Uto Finland November

Markus Varesvuo / Common Treecreeper (Certhia familiaris) searching for insect prey under bark on branch, Uto Finland November

Markus Varesvuo / Common Treecreeper (Certhia familiaris) searching for insect prey under tree bark, Uto Finland November

Markus Varesvuo / Common Treecreeper (Certhia familiaris) searching for insect prey under tree bark, Uto Finland November

Markus Varesvuo / Common Treecreeper (Certhia familiaris) searching for insect prey under lichen on tree bark, Uto Finland November

Jabruson / Male Blue Duiker (Cephalophus / Philontomba monticola) searching for fallen forest fruit. Bai Hokou, Dzanga-Ndoki National Park, Central African Republic.

Jabruson / Male Blue Duiker (Cephalophus monticola) searching for fallen forest fruit. Bai Hokou, Dzanga-Ndoki National Park, Central African Republic.

Mark Carwardine / Siberian tiger anti-poaching patrol stopping and searching people on forest road, 600 miles north of Vladivostok, Primorksy, Russian Far East, October 2005

Ole Jorgen Liodden / Silver Gull (Chroicocephalus novaehollandiae) searching for food. Tasmania. December.

Fiona Rogers / Western lowland gorilla (Gorilla gorilla gorilla) juvenile female 'Bokata' aged 6 years reaching into a hole in a tree for rotting wood to feed on, Bai Hokou, Dzanga Sangha Special Dense Forest Reserv...

Andy Sands / Purple Sandpiper (Calidris maritima) on sandy beach searching for food as tide retreats, Kent, England, UK, February

Alex Mustard / A wunderpus octopus (Wunderpus photogenicus) prowling over the seabed searching for food, Java Sea, Amed, Bali, Indonesia

Fergus Gill / 2020VISION / Wood warbler (Phylloscopus sibilatrix) perched in branch, searching for food in an oak tree, Atlantic Oakwoods of Sunart, Scotland, May. Did you know? The scientific name for this species ‘sibilatrix'...

Alex Mustard / 2020VISION / Nudibranch (Facelina auriculata) searching for its food of small hydroids by climbing on a blade of Seagrass / Eelgrass (Zostera marina) in seagrass meadow. Helford Estuary, Cornwall, UK, July

Alex Mustard / 2020VISION / European cowrie (Trivia monacha) crawling over orange sponges searching for its prey of tunicates / seasquirts. Selsey, West Sussex, England, UK, English Channel, May.

Alan Williams / Common buzzard (Buteo buteo) hovering, searching for prey, Cheshire, UK, February.

Diane McAllister / Yellow-billed stork (Mycteria ibis) searching for prey in water, Kenya

Martin Willis / Southern Cassowary (Casuarius casuarius) male searching for fallen fruit, Etty Bay, Queensland, Australia

Martin Willis / Mahogany Glider (Petaurus gracilis) female searching for food, Cardwell, Queensland, Australia

Petra Wegner / Cavalier King Charles Spaniel, ruby, male, searching for treat in rolled blanket / unrolling blanket.

Doug Allan / Killer Whale (Orcinus orca), member of a pod searching for Weddell Seals (Leptonychotes weddellii) among sea ice. Marguerite Bay, Antarctic Peninsula, summer. Freeze Frame book plate page 118-119.

Matthias Breiter / South African Giraffe (Giraffa giraffa giraffa) male with Red-billed Oxpeckers (Buphagus erythrorhynchus) foraging for insects on its horns, Kruger National Park, South Africa

Andy Rouse / African Leopard (Panthera pardus) 'Olive' searching for prey. Masai Mara, Kenya.

Andy Rouse / African Leopard (Panthera pardus) 'Olive' searching for prey. Masai Mara, Kenya.

Andy Rouse / African Leopard (Panthera pardus) searching for prey. Masai Mara, Kenya.

Andy Rouse / African Leopard (Panthera pardus) 'Olive' searching for prey. Masai Mara, Kenya.

Andy Rouse / African Leopard (Panthera pardus) 'Olive' searching for prey. Masai Mara, Kenya.

Andy Rouse / African Leopard (Panthera pardus) 'Olive' searching for prey. Masai Mara, Kenya.

Ole Jorgen Liodden / African Jacana (Actophilornis africana) searching for food on water. Okavango, Botswana, November.

Doug Allan / Polar Bear (Ursus maritimus) seen through window searching around Doug Allan's hut. Kong Karl's Land, Svalbard, April. Freeze frame book plate page 19.

Alex Mustard / 2020VISION / Puffin (Fratercula arctica) swimming underwater, searching for food, Farne Islands, Northumberland, UK, July

Alex Mustard / 2020VISION / Nudibranch (Facelina auriculata) searching for small hydroids on top of a boulder, Selsey, West Sussex, UK, May

Tim Laman / Long-beaked Echidna (Zaglossus bartoni) searching for insects. Endangered Species. Foja Mountains, Papua, Indonesia, 2008. (taken during Conservation International Rapid Assessment Program expedition)

Kathryn Jeffs / Dr Robert (Bob) Pitman, from US National Marine Fisheries Service, scientific advisor, relaxing on board the 'Golden Fleece' prior to searching for whales, Antarctic Peninsula, Antarctica, January 200...

Kathryn Jeffs / Dr Robert (Bob) Pitman, from US National Marine Fisheries Service, scientific advisor, relaxing on board the 'Golden Fleece' prior to searching for whales, Antarctic Peninsula, Antarctica, January 200...

Kathryn Jeffs / Dr Robert (Bob) Pitman, from US National Marine Fisheries Service, scientific advisor, relaxing on board the 'Golden Fleece' prior to searching for whales, Antarctic Peninsula, Antarctica, January 200...

Kathryn Jeffs / Dr Robert (Bob) Pitman, from US National Marine Fisheries Service, scientific advisor, relaxing on board the 'Golden Fleece' prior to searching for whales, Antarctic Peninsula, Antarctica, January 200...

Kathryn Jeffs / Dr Robert (Bob) Pitman, from US National Marine Fisheries Service, scientific advisor, relaxing on board The Golden Fleece prior to searching for whales, Antarctic Peninsula, Antarctica, January 2009,...

Kirkendall-Spring / American buffalo / Bison (Bison bison) searching for grass in deep snow, Upper Geyser Basin, Yellowstone National Park, Wyoming, USA, February 2011

Sandesh Kadur / King Cobra (Ophiophagus hannah) searching for prey on forest floor, Kaziranga National Park, Assam, India

Charlie Summers / Young Brown Bear (Ursus arctos) searching the bottom of the McNeil River for salmon damaged by other bears, Alaska, USA, July.

Jeff Wilson / Cameraman, Mark Smith, on an all-terrain-vehicle searching for Arctic wolves, Ellesmere Island, Nunavut, Canada, June 2008. Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Director, Jeff Wilson, on an all-terrain-vehicle searching for Arctic Wolves, Ellesmere Island , Nunavut, Canada, June 2008. Taken on location for the BBC series, Frozen Planet.

Anup Shah / Bonobo (Pan paniscus) entering the water searching for food, Lola Ya Bonobo Sanctuary, Democratic Republic of Congo. October.

Anup Shah / Bonobo (Pan paniscus) mature male 'Manono' wading through deep water amongst water lettuce searching for food, Lola Ya Bonobo Sanctuary, Democratic Republic of Congo. October.

Lisa Hoffner / Samburu livestock illegally entering Samburu National Park searching for food and water. The worst drought (2008-2009) in more than a decade has killed most of the Samburu tribemans' livestock and thr...

Lisa Hoffner / Samburu livestock, as seen from the air, illegally entering Samburu National Park searching for food and water. Holes are made in the dry Ewaso Nyiro river bed to dig out water searching for any kind...

Lisa Hoffner / Samburu livestock, as seen from the air, illegally entering Samburu National Park searching for food and water. Holes are made in the dry Ewaso Nyiro river bed to dig out water searching for any kind...