Espen Bergersen / Aerial shot of a fishing boat catching Atlantic herring (Clupea harenguis), with Killer whales (Orcinus orca) and Humpback whales (Megaptera novaeangliae) swimming around the boat and large numbers of...

Espen Bergersen / Aerial shot of a fishing boat catching Atlantic herring (Clupea harenguis), with Killer whales (Orcinus orca) and Humpback whales (Megaptera novaeangliae) swimming around the boats and large numbers o...

Ingo Arndt / Christmas Island Red Crabs (Gecarcoidea natalis) crossing road in huge numbers during annual migration, Christmas Island, Indian Ocean, Australian Territory

Ingo Arndt / Christmas Island Red Crabs (Gecarcoidea natalis) arriving in huge numbers, at coast for spawning, Christmas Island, Indian Ocean, Australian Territory

Ingo Arndt / Flock of Bramblings (Fringilla montifringilla) perched together in branches. It's estimated that four million individiuals return to roost during winter in Black Forest, Germany. February.

Ingo Arndt / Shoal of Pacific / South african sardines (Sardinops sagax) Monterey Bay Aquarium, USA

Wild Wonders of Europe / Widstrand / Humpback whale (Megaptera novaeangliae) tail fluke above water before diving, Senja, Troms County, Norway, Scandinavia, January. Cetaceans are attracted to this area to feed on the large numbers of sp...

Wild Wonders of Europe / Widstrand / Humpback whale (Megaptera novaeangliae) tail fluke above water before diving, Senja, Troms County, Norway, Scandinavia, January. Cetaceans are attracted to this area to feed on the large numbers of sp...

Wild Wonders of Europe / Widstrand / Orca / Killer whale (Orcinus orca) surfacing, Senja, Troms County, Norway, Scandinavia, January. Cetaceans are attracted to this area to feed on the large numbers of spawning Herring fish

Wild Wonders of Europe / Widstrand / Dorsal fin of Orca / Killer whale (Orcinus orca) surfacing, Senja, Troms County, Norway, Scandinavia, January. Cetaceans are attracted to this area to feed on the large numbers of spawning Herring fis...

Cyril Ruoso / South american sea lion (Otaria byronia) and American fur seal (Arctocephalus australis) hauled out on the shore of Punta Coles Reserve, Peru.

Alex Hyde / Red Deer herd (Cervus elaphus) moving over mountain ridge in heavy snow. Cairngorms National Park, Scotland. January. Highly Commended in the Habitat category of the British Wildlife Photography Award...

Sven Zacek / Four Roe deer (Capreolus capreolus) bucks with velvet antlers and the shadow of a fifth buck, Tartumaa, Estonia, March.

Claudio Contreras / Waterfowl at dawn with mist, including Great blue heron (Ardea herodias herodias), American avocet (Recurvirostra americana), Northern shoveler (Anas clypeata), Xochimilco wetlands, Mexico City, Mexic...

Tui De Roy / Little blue / fairy penguin (Eudyptula minor) walking on pathway to nesting burrows, Neck Game Reserve, Bruny Island, Tasmania, Australia, December.

Constantinos Petrinos / Bigfin reef squid (Sepioteuthis lessoniana) schooling parallel to one another. Lembeh Strait, North Sulawesi, Indonesia.

Anup Shah / Eastern White-bearded Wildebeest (Connochaetes taurinus) herd crossing the Mara River. Maasai Mara National Reserve, Kenya.

Denis-Huot / Coalition of male Lions (Panthera leo) in grassland before storm, Masai-Mara game reserve, Kenya.

Pascal Kobeh / Aggregation of thousands of Spider crabs (Leptomithrax gaimardii) for moulting, South Australia Basin, Australia. Pacific Ocean.

Pascal Kobeh / Aggregation of thousands of Spider crabs (Leptomithrax gaimardii) for moulting, South Australia Basin, Australia. Pacific Ocean.

Sven Zacek / Roe deer (Capreolus capreolus) group in snow, looking at camera. Vorumaa, Estonia, December. Winner of the Animal stories portfolio in the Melvita Nature Images Awards competition 2014.

Markus Varesvuo / Kittiwakes (Rissa tridactyla) flying during heavy snowfall, Norway, Scandinavia, April.

Marie Read / Four Cedar waxwings (Bombycilla cedrorum) feeding on Crabapple (Malus sp) fruit, Ithaca, New York, USA, February.

Georgette Douwma / Lyretail anthias / Goldies (Pseudanthias squamipinnis) over coral reef with soft corals (Dendronephthya sp) Egypt, Red Sea.

Jabruson / Hippopotamuses fighting (Hippopotamus amphibius) taken before major crash in numbers in the 1990s due to political instability and hunting. Rwindi sector of the Virunga National Park. Democratic Repub...

Markus Varesvuo / Flock of Common shags (Phalacrocorax arostotelis) resting on a cliff, with wind blown snow, Vardo, Norway, March.

Ben Cranke,Ben Cranke / Gentoo Penguin (Pygoscelis papua) nest amongst the buildings at Port Lockroy, Wiencke Island, Antarctic Peninsula, Antarctica

Cheryl-Samantha Owen / Cape gannet (Morus capensis) colony, Bird Island Nature Reserve, Lambert's Bay, West Coast, South Africa.

Franco Banfi,Franco Banfi / Local man looking down at shoal of Bigeye scad (Selar crumenophthalmus) Waigeo island, Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Franco Banfi / Thousand of Gilt-head bream (Sparus aurata) inside a sea cage used for aquaculture, Ponza Island, Italy, Tyrrhenian Sea, Mediterranean

Claudio Contreras,Claudio Contreras / Black-axil Chromis (Chromis atripectoralis) blurred motion photograph. Bilang Bilangang Island, Danajon Bank, Central Visayas, Philippines, April

Ben Cranke,Ben Cranke / Flock of Hooded Cranes (Grus monacha) Kyushu, Japan

Ben Cranke / Springbok (Antidorcas marsupialis) herd, Kgalagadi Transfrontier Park, South Africa

Eric Dragesco,Eric Dragesco / Herd of Tibetan Wild Asses / Kiang (Equus kiang) ChangThang, Tso Kar lake, at altitude of 4600m, Ladakh, India, October 2012

Staffan Widstrand / Wild Wonders of China / Black-necked crane (Grus nigricollis) in black and white silhoutte. Napa Lake, Yunnan province, China. Vulnerable species.

Eric Dragesco / Herd of Black Tailed Gazelle (Gazella subgutturosa) running, Gobi Desert, Mongolia

Juan Carlos Munoz / Double-crested Cormorants (Phalacrocorax auritus) and Brown pelicans (Pelecanus occidentalis) on small island, Isla Contoy National Park, Quintana Roo, Yuccatan Penninsula, Mexico

Juan Carlos Munoz,Juan Carlos Munoz / Lesser flamingo flock (Phoeniconaias) flying over lake with green algae, aerial view, Rift valley, Kenya

Michael Pitts,Michael Pitts / Coral wall with Anthiinae schooling fish, Red Sea

Sue Daly / Koheru (Decapterus koheru) shoal swiming around diver, Cavalli Islands, New Zealand, February 2013. Model released.

Franco Banfi / Shoal of Longfin bannerfish (Heniochus acuminatus) Maldives, Indian Ocean

Franco Banfi / Shoal of Longfin bannerfish (Heniochus acuminatus) Maldives, Indian Ocean

Franco Banfi / Shoaling glassfish (Parapriacanthus sp.) shoal, Maldives, Indian Ocean

Michel Roggo / Sockeye / Red Salmon (Oncorhynchus nerka) on spawning migration. Adams River, British Columbia, Canada, October.

Nuno Sa / Whale Shark (Rhincodon typus) passing by baitball, Santa Maria Island, Azores, Portugal, September 2008.

Claudio Contreras / Monarch butterfly (Danaus plexippus) hibernating, Mariposa Monarca Special Biosphere Reserve, central Mexico, January.

Claudio Contreras / Monarch butterfly (Danaus plexippus) hibernating, Mariposa Monarca Special Biosphere Reserve, central Mexico, January.

Alex Mustard / A school of lesser devil rays (Mobula hypostoma) flying through sunbeams as they feed. Isla Mujeres, Quintana Roo, Yucatan Peninsula, Mexico. Caribbean Sea.

Paul D Stewart / Male Large Blue Butterfly (Maculinea eutryphon / arion) collected in 1865. It is here surrounded by other extant UK blue butterfly species. The large Blue was first recorded as a British species in 17...

Juan Carlos Munoz / Aerial view of flock of Flamingos flying over the salt lake, Lake Natron, Rift Valley, Tanzania, August 2009

Erlend Haarberg / Eight Rock ptarmigans (Lagopus muta) with snow blowing in wind, Norway, February

Paul Hobson / Knot (Calidris canutus) flock roosting on beach. Norfolk, August.

Laurie Campbell / Mute swans (Cygnus olor) newly hatched cygnets on pond, Yetholm Loch Scottish Wildlife Trust Reserve, Roxburghshire, Scotland, May

Brent Stephenson / Flock of Cape Petrels (Daption capense capense) in flight, heading away against the sky. South Shetland Islands, Antarctica, December.

Luiz Claudio Marigo / Family of Southern coatis (Nasua nasua) in Atlantic Rainforest, Tijuca National Park, Rio de Janeiro City, Southeastern Brazil.

Chadden Hunter / King penguins (Aptenodytes patagonicus) crossing water to reach breeding site, South Georgia. Taken on location for BBC Frozen Planet series, 2008

Loic Poidevin / Row of Starlings (Sturnus vulgaris) perched on wire. The Vendeen Marsh, French Atlantic Coast, November.

Juan Carlos Munoz / Jersey tiger moth (Euplagia quadripunctaria) large numbers resting on leaves of Sweetgum trees (Liquidambar orientalis) in the Petaloudes Valley, Rhodes island, Greece, August 2011

Juan Carlos Munoz / Jersey tiger moth (Euplagia quadripunctaria) large numbers resting on trunk of Sweetgum tree (Liquidambar orientalis) in the Petaloudes Valley, Rhodes island, Greece, August 2011

Juan Carlos Munoz / Jersey tiger moth (Euplagia quadripunctaria) large numbers resting on the trunk of Sweetgum trees (Liquidambar orientalis) some with wings open in flight, in the Petaloudes Valley, Rhodes island, Gree...

Juan Carlos Munoz / Jersey tiger moth (Euplagia quadripunctaria) large numbers flying to and resting on Sweetgum trees (Liquidambar orientalis) in the Petaloudes Valley, Rhodes island, Greece, August 2011

Juan Carlos Munoz / Jersey tiger moth (Euplagia quadripunctaria) large numbers resting on Sweetgum trees (Liquidambar orientalis) in the Petaloudes Valley, Rhodes island, Greece, August 2011

Juan Carlos Munoz / Jersey tiger moth (Euplagia quadripunctaria) large numbers resting on leaves of Sweetgum trees (Liquidambar orientalis) in the Petaloudes Valley, Rhodes island, Greece, August 2011

Martin Gabriel / Four Griffon Vultures (Gyps fulvus) in flight, silhouetted overhead. Monfrague National Park, Extremadura, Spain, March.

Sven Zacek / Small herd of Roe Deer (Capreolus capreolus) looking back at the photographer against forested background. Virumaa, Estonia, Europe, February.

Sven Zacek / Large herd of Roe Deer (Caperolus capreolus) running across snow. Virumaa, Estonia, Europe, March.

Andy Rouse / Walrus (Odobenbus rosmarus) colony discharging gas on beach. Svalbard, Norway, August 2011.

Nick Garbutt / Herd of White-bearded Wildebeest (Connochaetes taurinus albojubatus) with calves in Long Gully near Ndutu on their annual migration. Ngorongoro Conservation Area, Serengeti Ecosystem, Tanzania. (Digit...

Ole Jorgen Liodden / King Penguin (Aptenodytes patagonicus) walking back to colony on South Georgia Island. Southern Ocean, Antarctic Convergence, November.

Ole Jorgen Liodden / King Penguin (Aptenodytes patagonicus) parents calling and performing 'statue' display at colony. South Georgia Island, Southern Ocean, November.

Andrew Parkinson / Pink footed geese (Anser brachyrhynchus) huge flock take flight in dawn light, Norfolk, UK, January.

Andrew Parkinson / Mallard (Anas platyrhynchos) line of ducklings follow their mother through early morning mist, Derbyshire, UK, June.

Andrew Parkinson / Lapwing (Vanellus vanellus) group roosting in the lagoons at Titchwell RSPB Reserve, Norfolk, UK, October.

Nick Upton / 2020VISION / 'Minnie', 'Squidgy' and 'Vince', three of the flock of Common / Eurasian cranes (Grus grus) a year after release by the Great Crane Project onto the Somerset Levels and Moors, with adult plumage devel...

Kristel Richard / Wild / feral Dulmen ponies (Equus caballus) close up of herd of mares and foals running on the Duke of Croy's estate, Meerfelder Bruch, North Rhine-Westphalia, Germany, May 2011

Laurent Geslin / Leopard (Panthera pardus) walking, watched by herd of Impala, Masai Mara reserve, Kenya

Georgette Douwma / Bigeye Scad (Selarcrumenophthalmus). Misool, Raja Ampat, West Papua, Indonesia.

Doug Perrine / Swarm / aggregation of venomous Moon jellyfish (Aurelia aurita) Port Fidalgo, Prince William Sound, USA, July

Danny Green / Little Auks (Alle alle) flying low above surface in front of iceberg. Spitsbergen, Svalbard, Norway, July 2010. Highly commended in the Birds category in the GDT competition 2011.

Orsolya Haarberg / Red Knots (Calidris canutus) during migration rest on coastal rocks as waves wash across the coastline. The Snæfellsnes peninsula, Iceland, May. Highly commended in the Birds category of the GDT 2011...

Ole Jorgen Liodden / King Penguins (Aptenodytes patagonicus) walking in line in snow storm, South Georgia, November, Specially commended, ANIMALS IN THEIR ENVIRONMENT, 2011 WILDLIFE PHOTOGRAPHER OF THE YEAR COMPETITION an...

Terry Whittaker / 2020VISION / Grey heron (Ardea cinerea) amongst visitors in Regent's Park, London, UK, April 2011. Photographer quote: 'It was fascinating to watch public reaction to the large numbers of herons in London's parks...

Juergen Freund / School of Yellow line / Yellowstripe scads (Selaroides leptolepis) Misool, Raja Ampat, West Papua, Indonesia

Juergen Freund / Schooling Blackfin barracuda (Sphyraena qenie) West New Britain, Papua New Guinea

Eric Baccega / Black-legged Kittiwake (Rissa tridactyla) on ice. Floe edge, Arctic Bay, Nunavut, Canada, April.

Juergen Freund / Schooling Yellowtail fusilier (Caesio cuning) Misool, Raja Ampat, West Papua, Indonesia

Juergen Freund / School of Yellow line scads (Selaroides leptolepis) Misool, Raja Ampat, West Papua, Indonesia

Juergen Freund / A large shoal of Lunar fusiliers (Caesio lunaris) blending in with the same blue of the water. Misool, Raja Ampat, West Papua, Indonesia

Eric Dragesco / A large herd of Tien Shan Argali (Ovis ammon karelini) making tracks through snow. Naryn National Park, Kyrgyzstan, Central Asia, November.

Juergen Freund / School of Bigeye jacks / Trevally (Caranx sexfasciatus). Misool, Raja Ampat, West Papua, Indonesia

Juergen Freund / School of Yellow line scads (Selaroides leptolepis). Misool, Raja Ampat, West Papua, Indonesia

Juergen Freund / School of yellow line scads (Selaroides leptolepis) Misool, Raja Ampat, West Papua, Indonesia

Juergen Freund / School of Bigeye jacks / trevally (Caranx sexfasciatus). Misool, Raja Ampat, West Papua, Indonesia

Edwin Giesbers / Five Mallard (Anas platyrhynchos) walking in a line across snow. Three males and two females. The Netherlands, January.

Edwin Giesbers / A flock of Greylag Goose (Anser anser) flying in formation above misty fields. The Netherlands, March.

Sergey Gorshkov / Salmon (Salmonidae) migrating to spawn in Lake Kuril, Kamchatka, Far East Russia, August