Neil Aldridge / African buffalo (Syncerus caffer) standing on the banks of the Chobe River, Chobe National Park, Botswana.

Neil Aldridge / Mud-covered face of bull African buffalo (Syncerus caffer) with a cateract in one eye, on the banks of the Chobe River, Chobe National Park, Botswana.

Neil Aldridge / Black rhinoceros (Diceros bicornis) feeding in early morning light, Kariega Game Reserve. South Africa.

Neil Aldridge / Black-backed jackal (Canis mesomelas) standing in the middle of the vast Makgadikgadi Pans, Botswana.

Neil Aldridge / Chacma baboon (Papio ursinus) baby riding on top of its mother on the banks of the Chobe River, Chobe National Park, Botswana.

Neil Aldridge / Angolan reed frog (Hyperolius parallelus) resting on a reed stem in the heart of the Okavango Delta, northern Botswana.

Neil Aldridge / African wild dog (Lycaon pictus) blurred motion photograph, Save Valley Conservancy, Zimbabwe.

Neil Aldridge / African wild dog (Lycaon pictus) pup peers around the base of a giant baobab tree on Save Valley Conservancy. Zimbabwe.

Neil Aldridge / African skimmer (Rynchops flavirostris) flying low over the Chobe River, skimming the water, at sunset, Chobe National Park, Botswana.

Neil Aldridge / African skimmer (Rynchops flavirostris) resting on a sandbank in the middle of the Chobe River between Botswana and Namibia.

Neil Aldridge / African penguins (Spheniscus demersus) preening themselves on rocks at the Boulders Beach colony near Cape Town, South Africa.

Alex Mustard / California sea lion (Zalophus californianus) adult female swimming through sunbeams in an underwater cave. Los Isotes, La Paz, Mexico. Sea of Cortez, East Pacific Ocean.

Alex Mustard / Boulder brain coral (Colpophyllia natans) photographed with a long exposure with camera rotation. Taken with circular fisheye lens. Grand Cayman, Cayman Islands. Caribbean Sea.

Alex Mustard / Great white shark (Carcharodon carcharias) from above. Guadalupe Island, Baja California, Mexico. East Pacific Ocean

Alex Mustard / Nudibranchs (Doto greenamyeri) newly described species on feather hydroids. Seraya Bay, north coast of Bali, Indonesia. Java Sea.

Alex Mustard / Harbour seal (Phoca vitulina) in the kelp forest (Macrocystis pyrifera). Santa Barbara Island, Channel Islands. Los Angeles, California, United States of America. North East Pacific Ocean.

Alex Mustard / Leafy seadragon (Phycodurus eques). Wool Bay Jetty, Edithburgh, Yorke Peninsula, South Australia.

Alex Mustard / Spotlight goby (Gobiosoma louisae) looking out from inside a Yellow tube sponge (Aplysina fistularis), growing on a coral reef. Bloody Bay Wall, Little Cayman, Cayman Islands, British West Indies. Car...

Alex Mustard / Nassau grouper (Epinephelus striatus) yawning on a coral reef drop off. San Salvador island, Bahamas. Bahamas Sea, Tropical West Atlantic Ocean.

Alex Mustard / Great white sharks (Carcharodon carcharias) males beneath the surface. Guadalupe Island, Baja California, Mexico. East Pacific Ocean

Alex Mustard / California sea lion (Zalophus californianus) resting in the canopy of a forest of giant kelp (Macrocystis pyrifera). Santa Barbara Island, Channel Islands. Los Angeles, California, United States of Am...

Alex Mustard / Portrait of a Nudibranch (Flabellina pellucida) on a kelp frond with star trails. Gulen, Norway. North East Atlantic Ocean.

Alex Mustard / Lion's mane jellyfish (Cyanea capillata) with feeding tentacles spread swimming in the sun in shallow water. Gulen, Norway. North East Atlantic Ocean.

Solvin Zankl / Great capricorn beetle (Cerambyx cerdo) on Oak tree (Quercus sp) Niedersachsische Elbtalaue Biosphere Reserve, Lower Saxonian Elbe Valley, Germany, July.

Solvin Zankl / English oak tree (Quercus robur) in moonlight, Nauroth, Germany, February.

Solvin Zankl / English oak tree (Quercus robur) silhouetted against orange sky with star trails, Nauroth, Germany, October.

Solvin Zankl / Stag beetle (Lucanus cervus) silhouetted against oak tree leaf. Elbe, Germany, June.

Solvin Zankl / The Scarce Merveille du Jour (Moma alpium) caterpillar with urticating hairs on English oak tree (Quercus robur) leaf, Stettin Lagoon, Bay of Szczecin, Germany, August.

Claudio Contreras / Caribbean flamingo (Phoenicopterus ruber) preparing to sleep, Ria Lagartos Biosphere Reserve, Yucatan Peninsula Mexico, July. Bookplate.

Claudio Contreras / Caribbean flamingo (Phoenicopterus ruber) adults guarding chick, Ria Lagartos Biosphere Reserve, Yucatan Peninsula Mexico, June. Bookplate.

Claudio Contreras / Caribbean flamingo (Phoenicopterus ruber) about to take off to roosting site, Ria Celestun Biosphere Reserve, Yucatan Peninsula Mexico, January. Best image taken in Mexico and specially commended in...

Juergen Freund / Bigfin reef squid (Sepioteuthis lessoniana) blurred motion photograph, Kimbe Bay, West New Britain, Papua New Guinea.

Juergen Freund / Banded sea kraits (Laticauda colubrina) around the roots of mangrove tree, split level. Mali Island, Macuata Province, Fiji, South Pacific.

Juergen Freund / Split level of large Purple crown jellyfish (Netrostoma setouchina) in shallows of mangroves. Mali Island, Macuata Province, Fiji, South Pacific.

Juergen Freund / Leatherback turtle (Dermochelys coriacea) hatchlings running to the sea from nest. Jamursbamedi, West Papua, Irian Jaya, Indonesia.

Juergen Freund / Detail of Giant kelp (Macrocystis pyrifera) gas-filled bladders (pneumatocysts) Vancouver Island, British Columbia, Vancouver Island, Canada.

Juergen Freund / Green turtle (Chelonia mydas) hatchling swimming to the sea still in the shallows of the beach. Anano Island, Wakatobi, South Sulawesi, Indonesia

Juergen Freund / Giant clam (Tridacna gigas) Raja Ampat, West Papua, Indonesia.

Juergen Freund / Chambered nautilus (Nautilus pompilius) with red whip coral. Osprey Reef, Great Barrier Reef, Queensland, Australia.

Roy Mangersnes / Full moon over Adventsdlen, Longyearbyen, Svalbard, Norway, April.

Roy Mangersnes / Polar bears (Ursus maritimus) courting on ocean ice north of Spitsbergen, Svalbard, Norway, July.

Ole Jorgen Liodden / Svalbard reindeer (Rangifer tarandus platyrhyncus) feeding at sunset, Spitsbergen, Svalbard, Norway, April.

Ole Jorgen Liodden / Polar Bear (Ursus maritimus) swimming, Nordaustlandet, Svalbard, Norway, July.

Ole Jorgen Liodden / Polar bear (Ursus maritimus) footprints in snow, on cracked ice, Svalbard, Norway, September.

Ole Jorgen Liodden / Polar bear (Ursus maritimus) stranded on island, with full moon above, north of Nordaustlandet, Svalbard, Norway, September.

Ole Jorgen Liodden / Walrus (Odobenus rosmarus) underwater view, Edgeoya, Svalbard, Norway, June.

Ole Jorgen Liodden / Ivory gull (Pagophila eburnea) behind Polar bear (Ursus maritimus), Svalbard, Norway, July.

Ole Jorgen Liodden / Polar bear (Ursus maritimus) pouncing, Svalbard, Norway, July.

Ole Jorgen Liodden / Arctic tern (Sterna Paradisaea) flying, Svalbard, Norway, July.

Axel Gomille / Bengal tiger (Panthera tigris tigris), female resting and looking up Kanha National Park, India.

Axel Gomille / Demoiselle cranes (Anthropoides virgo) flock, India.

Axel Gomille / Peacock (Pavo cristatus) on rock with Palm Squirrel (Funambulus sp) India.

Neil Aldridge / Pair of Blesbok (Damaliscus pygargus) galloping across the open flood plains of the Bushman's River, Kariega Game Reserve, South Africa. Overall winner of the GDT Competition 2014.

Neil Aldridge / Okavango robbers (Rhabdalestes maunensis) fish swimming up the temporary Selinda Spillway, northern Botswana. This shallow river cuts across the Kalahari Desert and joins the Okavango River system wit...

Roy Mangersnes / Brunnich's guillemot (Uria lomvia) diving into sea, Spitsbergen, Svalbard, Norway, July.

Bence Mate / Great reed warbler (Arcocephalus arundinaceus) chick begging for food, with bokeh affect from water, Pusztaszer, Hungary, June.

Bence Mate / Common chiffchaff (Phylloscopus collybita) in front of sand dune with bees, reflected in water, Pusztaszer, hungary, May.

Bence Mate / Grey herons (Ardea cinerea) standing in water a dawn, Puszaszer, Hungary, July.

Bence Mate / Red footed falcons (Falco vespertinus) mating in the rain, Hungary, May.

Bence Mate / Common buzzard (Buteo buteo) in flight over snow, Pusztaszer, Hungary, January.

Bence Mate / Common chaffinchs (Fringilla coelebs) fighting, Puszaszer, Hungary, May.

Bence Mate / Violet sabrewing (Campylopterus hemileucurus) in flight at feeding station, Monte Verde Cloud Forest, Costa Rica.

Bence Mate / Graylag gosling (Anser anser) resting under parent's wing, Pusztaszer, Hungary.

Bence Mate / Red and green macaws (Ara chloropterus) in flight, motion blurred photograph, Buraxo das aras, Brazil.

Bence Mate / Great egret (Ardea alba) feeding on fish, Pusztaszer, Hungary, June.

Bence Mate / Grey heron (Ardea cinerea) catching fish, taken with remote camera, Pusztaszer, Hungary, June.

Bence Mate / Eurasian bullfinch (Pyrrhula pyrrhula) drinking, reflected in water, Pusztaszer, Hungary, February.

Bence Mate / Long eared owl (Asio otus) chicks perched on a cross, with the moon, in the background, Puszatszer, Hungary, June.

Bence Mate / Great egret (Ardea alba) around pool, displaying with ornamental feathers fanned out, Hungary, May.

Bence Mate / Barn swallow (Hirundo rustica) mobbing Euasian Kestrel (Falco tinnunculus) Pusztaszer, Hungary, June.

Bence Mate / Pygmy cormorants (Phalacrocorax pygmaeus) drying their feathers, Hortobay, hungary, August.

Bence Mate / European Roller (Coracias garrulus) carrying dead chick prey, Pusztaszer, Hungary, May.

Bence Mate / Hooded crow (Corvus coronix) and Eurasian Magpie (Pica pica) waiting to scavenging White tailed eagle's (Haliaeetus albicilla) food, Pusztazer, Hungary.

Bence Mate / Greenfinches (Carduelis chloris) and House sparrows (Passer domesticus) blurred long exposure photograph, Hungary, February.

Anup Shah / Black-backed jackals (Canis mesomelas) feeding on a wildebeest carcass. Masai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Anup Shah / Spotted hyena (Crocuta crocuta) pup approaching with curiosity. Masai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Bence Mate / Keel billed toucan (Ramphastos sulfuratus) in aggressive encounter with Montezuma Oropendola (Psarocolius montezuma) in rain, Laguna del Lagarto, Santa Rita, Costa Rica. Front cover bookplate of the H...

Danny Green / Atlantic Puffin (Fratercula arctica) resting on a snow bank, Isle of Hornoya, Varanger, Norway, April. Bookplate from Danny Green's 'The Long Journey North'

Danny Green / Knot (Calidris canutus) and grey plover (Pluvialis squatarola) roost at high tide with numerous birds packed tightly together, Snettisham, Norfolk, October. Bookplate from Danny Green's 'The Long Jour...

Danny Green / Fulmer (Fulmras glacialis) in flight near blue glacier, Svalbard, July. Bookplate from Danny Green's 'The Long Journey North'

Danny Green / White tailed Sea Eagle (Haliaeetus albicilla) in flight, Norway, July. Bookplate from Danny Green's 'The Long Journey North'

Danny Green / Great skua (Stercocarius skua) in flight over Gannet (Morus bassanus) colony, looking for small chicks, whilst Gannets call defensively, Shetland Isles, July. Bookplate from Danny Green's 'The Long Jo...

Danny Green / Sanderling (Calidris alba) running on the tideline, Snettisham, Norfolk, December. Bookplate from Danny Green's 'The Long Journey North'

Danny Green / Great Grey owl (Strix nebulosa) taking off from the ground in snow, Finland, April. Bookplate from Danny Green's 'The Long Journey North'

Neil Aldridge / African Lion (Panthera leo) cub reaches for a moment of intimacy with its father, Northern Tuli Game Reserve, Botswana

Markus Varesvuo / Waxwing (Bombicilla garrulus) flock on snow covered pine tree, Kuusamo, Finland, February. Fascinating birds bookplate.

Markus Varesvuo / Oystercatcher, (Haemotopus ostralegus) landing, Meriharakka, Norway, July. Fascinating birds bookplate.

Markus Varesvuo / Lesser Spotted Woodpecker (Dendrocopus minor)perched on snowy branch, Kuusamo, Finland January. Fascinating birds bookplate.

Markus Varesvuo / Hawfinch (Coccothraustes coccothraustes) drinking, Hungary, May. Fascinating birds bookplate.

Markus Varesvuo / Great Bustards (Otis tarda) males, Spain, April . Fascinating birds bookplate.

Markus Varesvuo / Bluethroat (Luscinia svecica) male singing, Sinirinta, Kuusamo, Finland, June. Fascinating birds bookplate.

Bryan and Cherry Alexander / Inuit hunter travelling by dog sled during the polar night. Northwest Greenland, 1987. 40 BELOW bookplate.

Bryan and Cherry Alexander / Inuit man pulling aside igloo door at dusk. Igloolik, Nunavut, Canada, 1993. 40 BELOW bookplate.

Bryan and Cherry Alexander / Moonlit iceberg taken at midday during the polar night, Northwest Greenland, 1980. 40 BELOW bookplate.

Anup Shah / White-backed vultures (Gyps africanus) and Black-back jackal (Canis mesomelas) feeding from the carcass of a Cape buffalo (Cyncerus caffer) - wide angle perspective. Masai Mara National Reserve, Kenya...

Anup Shah / Common / Plains Zebra (Equus quagga burchellii) adult leaping as herd runs away from the Mara River - wide angle perspective, Masai Mara National Reserve, Kenya. September