Cyril Ruoso / Red deer (Cervus elaphus) male calling during rut, Denmark. Non-ex

Ole Jorgen Liodden / Herd of Moose (Alces alces) following in line in each other's tracks, aerial view, Valdres, Norway, February.

Chris & Monique Fallows / Long-beaked common dolphin (Delphinus capensis) porpoising in still water, False Bay, South Africa

Staffan Widstrand / Bearded seal (Erignathus barbatus) hauled out on ice, Spitsbergen, Svalbard, Norway, September.

Sergey Gorshkov / Gemsbok (Oryx gazella) in sand dunes, Namibia. Finalist in the Mammals Category of the Wildlife Photographer of the Year Awards (WPOY) Competition 2015.

Krista Schlyer / Brown pelicans (Pelecanus occidentalis) covered in oil after BP oil spill, at rehabilitation centre waiting to be cleaned. Louisiana, USA. June 2010.

Espen Bergersen / Red fox (Vulpes vulpes) close up portrait, Lapland, Finland. March.

Edwin Giesbers / Red Squirrel (Sciurus vulgaris) in autumnal woodland leaflitter, the Netherlands, November.

Claudio Contreras / Caribbean flamingo (Phoenicopterus ruber) adult feeding chick, Ria Lagartos Biosphere Reserve, Yucatan Peninsula Mexico, June. Winner of the CONABIO Nature Photography Competition 2015.

Andy Rouse / Galapagos land iguana (Conolophus subcristatus) feeding, Urbina Bay, Isabela Island, Galapagos.

Krista Schlyer / Seven-spotted lady beetle (Coccinella septempunctata) inside the funnel leaf of Pitcher plant, Alabama, USA. May 2014.

Gabriel Rojo / Bay-winged cowbird,(Agelaioides badius) chicks begging for food, La Pampa, Argentina

Solvin Zankl / Deepsea Octopus (Bathypolypus bairdii) specimen from the North Atlantic, near the Faroe Islands at a depth of 805m

Wim van den Heever / Lion (Panthera leo) male with scars photographed with side-lit spot light at night. Greater Kruger National Park, South Africa, April.

Edwin Giesbers / Western lowland gorilla (Gorilla gorilla gorilla) twin babies age 45 days resting on mother's chest, one suckling. captive, occurs in Central Africa. Critically endangered.

Alex Hyde / Chlorophyte or green alga (Volvox aureus) in pond water. UK. The larger spheres are approximately 0.5mm in diameter. Digital composite image.

Solvin Zankl / Viperfish (Chauliodus sloani) specimen from the North Atlantic deep sea.

Jack Dykinga / Saguaro cactus (Carnegiea gigantea) in flower at night, with The Milky Way behind, Sonoran Desert National Monument, Sierra Estrella Mountain Wilderness, Arizona, USA, May.

Ole Jorgen Liodden / Heartsease / Wild pansy (Viola tricolor) flower, Norway, May.

Sven Zacek / Hepatica (Hepatica nobilis) white morph and normal blue morph, Southern Estonia, April.

Melvin Grey / Violet-tailed sylph hummingbird (Aglaiocercus coelestis) hummingbird adult male, approaching flower to feed, Tandayapa, Ecuador

Wim van den Heever / Leopard (Panthera pardus) cub looking up at birds (out of frame) with mother in background, Khwai River, Botswana. Highly commended in the Mammals category of the Asferico Photography Competition 201...

Wim van den Heever / Vervet Monkey (Chlorocebus pygerythrus) baby jumping between branches, photographed mid air. Okavango Delta Botswana.

Ole Jorgen Liodden / Polar bear (Ursus maritimus) standing on ice floe, looking at camera. Svalbard, Norway. August.

Alex Mustard / Harlequin sweetlips (Plectorhinchus chaetodonoides) cleaned by a pair of bluestreak cleaner wrasse (Labroides dimidiatus). South Atoll, Tubbataha Atolls, Tubbataha Reefs Natural Park, Palawan, Philipp...

Alex Mustard / Portrait of Bigfin squid (Sepioteuthis lessoniana) hovering in open water above a coral reef at night. Dampier Strait, Raja Ampat, West Papua, Indonesia. Tropical West Pacific Ocean

Michael D. Kern / Kaleidoscope pattern formed from picture of Wagler's Temple Viper (Tropidolaemus wagleri) scales. See original image number 01173495.

Erlend Haarberg / Arctic fox (Alopex lagopus) cubs looking curiously, Dovrefjell-Sunndalsfjella National Park, Norway, July.

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...

Ole Jorgen Liodden / White anemone (Anemone nemorosa) against pink background, Ringerike, Norway, May.

Pal Hermansen / Kittiwakes (Rissa tridactyla) flying out from cliff, Finnmark, Norway, March.

Wim van den Heever / Large pod of Bottlenose dolphins (Tursiops truncatus) porpoising over waves during annual sardine run, Port St Johns, South Africa. Runner up in the Animals in their Environment Category of the Wildl...

Sven Zacek / Low angle shot of Ural owl (Strix uralensis) female returning to its nest at night. Southern Estonia, May.

Claudio Contreras / Whale shark (Rhincodon typus) feeding view of tail, Isla Mujeres, Caribbean Sea, Mexico, August. Vulnerable species.

Espen Bergersen / Common guillemot (Uria aalge) flock, circling outside the breeding colony at Hornoya birdcliff, Finnmark, Norway.

Juan Carlos Munoz / Ridge in the Grand Canyon, Grand Canyon National Park, Arizona, USA, February 2015.

Doug Perrine / Humpback whale (Megaptera novaeangliae) lone female playing, blowing bubble stream, Kona, Hawaii, USA.

Juan Carlos Munoz / Lavender (Lavandula angustifolia) fields, Valensole Plateau, Alpes Haute Provence, France, June.

George Sanker / Great egret (Ardea alba) taking off with fish prey in mouth, Myakka River State Park, Florida, USA, March.

Edwin Giesbers / Crested newt (Triturus carnifex) Gelderland, The Netherlands, April. Winner of the Amphibians category of the Wildlife Photographer of the Year Awards (WPOY) Competition 2015. Winner of the Underwater...

Pal Hermansen / Diversity of insects accidentally caught by a lamp during summer. Akershus, Norway. Highly Commended in he Nature in Art category of Nature Photographer of the Year Competition 2020 and in the Idee...

Edwin Giesbers / Banded demoiselle (Calopteryx splendens) group of four on plant stems, River Leijgraaf, Nijmegen, the Netherlands, August 2013. Finalist in the Invertebrate category of the Wildlife Photographer of th...

Erlend Haarberg / Red fox (Vulpes vulpes) in snow, Varanger Peninsula, Norway.

Ole Jorgen Liodden / Boy on skis going up slope, framed by snow laden tree, Norway, February 2014.

Pal Hermansen / Inuit sled dogs resting, near Ittoqortoormiit, Scoresbysund, Greenland. Second Prize in the Nature category of the Spider Black and White Photography Competition 2015.

Edwin Giesbers / Mute swan (Cygnus olor) flock camouflaged on winter snow.

Cyril Ruoso / Woman with baby looking at Sisal (Agave sisalana) fibres drying for rope making, Berenty Reserve, Madagascar.

Wim van den Heever / Leopard (Panthera pardus) hunting Springbok (Antidorcas marsupialis) Etosha, Namibia, Finalist in the Mammals Category of the Wildlife Photographer of the Year 2015.

Brent Stephenson / Young Polar bear (Ursus maritimus) walking across melting sea ice, Scott Inlet, Baffin Island, Canadian Arctic, August. Vulnerable species.

Brent Stephenson / Type B Killer whale (Orca orcinus) surfacing, close-up, Antarctic Sound, Antarctic Peninsula, Antarctic, January.

Alex Mustard / A split level image of Southern stingray (Hypanus americanus) swimming over a sand bar. Grand Cayman, Cayman Islands. Caribbean Sea. Digital composite.

Wim van den Heever / Red-and-green macaw (Ara chloropterus) in flight, Pantanal, Brazil. August.

Claudio Contreras / Firewheel (Gaillardia pulchella) flowers at twilight, Laredo Borderlands, Texas, USA. April

Erlend Haarberg / Globe-flower (Trollius europaeus) flowering in front of the Svartisen ice cap and the Flatisvatnet lake, Glomdalen, Saltfjellet-Svartisen National Park, Norway, August 2015.

Erlend Haarberg / Mountain hare (Lepus timidus) backlit in snow, Vauldalen, Norway, May.

Wim van den Heever / Julia heleconia (Dryas julia) butterfly on head of Yacare caiman (Caiman yacare) Pantanal, Brazil.

Enrique Lopez-Tapia / Karo boys with decorative skin painting, close up portrait, Karo tribe, Omo river, Ethiopia, November 2014

David Pattyn / Great crested grebe (Podiceps cristatus) pair with crest erect during courtship dance, The Netherlands. March.

Kirkendall-Spring / Squaretop Mountain, Bridger Wilderness of the Wind River Range, Bridger National Forest, Wyoming, USA.

Edwin Giesbers / Red foxes (Vulpes vulpes) fighting.

Pascal Tordeux / Avenue of Poplar (Populus sp) trees in fog, Villers Le Sec, Aisne, Picardy, France, December.

Mark MacEwen / Japanese firefly (Luciola cruciata) light trails at night above stream in rural Japan. June.

Juan Manuel Borrero / Wind turbines, Collet dels Feixos, Tarragona, Catalonia, Spain, May 2013.

Jack Dykinga / Lightning storm with rainbow over Saguaro cactus (Carnegiea gigantea) Avra Valley, Saguaro National Park, Tucson Mountains, Arizona, USA, August 2015. Long exposure with lightning trigger.