Jenny E. Ross / Polar bear (Ursus maritimus) cubs, age 2-3 months, in den, Wapusk National Park, Manitoba, Canada. March.

Danny Green / Whooper Swans (Cygnus cygnus) in snow. Japan, February.

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

Pal Hermansen / Avenue of trees with long shadows cast on snow, aerial view, Viken, Norway. February 2019.

Edwin Giesbers / Grey seal (Halichoerus grypus), male and female, mating behaviour, Heligoland, Germany.

Tony Wu / Long-tailed tit (Aegithalos caudatus) feeding on icicle formed from sap of Painted maple tree (Acer pictum). Hokkaido, Japan. February.

Stefan Christmann / Emperor penguins (Aptenodytes fosteri) colony with chicks, age 9-12 weeks, Antarctica. Bookplate.

Stefan Christmann / Emperor penguins (Aptenodytes fosteri) huddling in a storm, Antarctica.

Stefan Christmann / Orca (Orcinus orca), two spyhopping in gap in sea ice. Atka Bay, Antarctica. January.

Jami Tarris / Polar Bear (Ursus maritimus) hunting Bearded Seal (Erignathus barbatus) pup, Spitsbergen, Svalbard, Norway

Chase Dekker / Humpback Whale (Megaptera novaeangliae) gulp feeding on Northern Anchovy (Engraulis mordax), Monterey Bay, California

Chase Dekker / Humpback Whale (Megaptera novaeangliae) breaching at sunset, Monterey Bay, California

Chase Dekker / Humpback Whale (Megaptera novaeangliae) pod gulp feeding on Northern Anchovy (Engraulis mordax) near tourists, Monterey Bay, California

Doug Perrine / Humpback whale (Megaptera novaeangliae) female and calf. Maui, Hawaii, USA.

Tony Wu / Humpback whale (Megaptera novaeangliae australis) male calf playing, sweeping pectoral fin through water creating bubbles and turbulence. Vava'u, Tonga.

Richard Du Toit / Indo-pacific Bottlenose Dolphin (Tursiops aduncus) pod surfing wave, Western Cape, South Africa

Tony Wu / Male Korean seahorse (Hippocampus haema) giving birth. Some of the babies are still curled up inside their egg membranes. Kumamoto Prefecture, Kyushu, Japan.

Pal Hermansen / Brown bear (Ursus arctos) silhouetted in forest at night. Finland. August.

Guy Edwardes / Comet C/2020 F3 Neowise over Colmer's Hill , Bridport, Dorset, UK. July 2020

Tony Wu / Japanese dwarf flying squirrel (Pteromys volans orii) male sitting in tree, portrait. Hokkaido, Japan. March

Tony Wu / Japanese dwarf flying squirrel (Pteromys volans orii) peering out of nest hole in tree trunk. Hokkaido, Japan. March.

Magnus Lundgren / Scalloped ribbonfish (Zu cristatus) juvenile,Balayan Bay, Batangas, the Philippines.

Markus Varesvuo / White-tailed eagle (Haliaeetus albicilla) with backlit wings, and water spray, Norway, October

Bence Mate / European rabbits (Oryctolagus cuniculus) fighting each other, Kiskunsag National Park, Hungary. June. Winner, 2019 Cadiz Photo Nature Competition.

Bence Mate / Silhouette of an African leopard (Panthera pardus pardus) snarling, Mkuze, South Africa. September. 'White Fang' - this leopard bared its fangs to the hyenas threatening his prey. Eventually the leopa...

Ingo Arndt / Viewed from inside a tree hole nest cavity, a Honey bee (Apis mellifera) swarm arriving at the entrance to establish a hive, viewed from inside, Germany.

David Hall / Split level of Sockeye salmon (Oncorhynchus nerka) during migration; Adams River, British Columbia, Canada. October.

Andy Sands / Slime mould (Metatrichia floriformis), in reproductive phase. Close-up of spore-bearing fruiting bodies (sporangia). Buckinghamshire, UK.

Emanuele Biggi / Strinatii lungless salamander (Speleomantes strinatii) hiding under chestnut leaves into a deciduous wood in Northern Italy. San Bartolomeo di Savignone, Italy. October. Finalist in the Terrestrial Wi...

Emanuele Biggi / Lanza's salamander (Salamandra lanzai), endemic to Cottian Alps, Monviso massif, Italy.

Tim Laman / Canada goose (Branta canadensis) with gosling, a few days old. Massachusetts, USA. April.

Sven Zacek / Aerial view of a small forest lake in Karula National Park, Valgamaa county, Southern Estonia. Highly commended in the Wildlife Photographer of the Year Awards 2019.

Milan Radisics / Aerial view of dystrophic forest lake surrounded by peatbog. East Pomerania, Baltic region of Poland. Brodnica forest. September 2019. Highly commended in the Landscapes, Waterscapes and Flora Categor...

Sandra Bartocha / Beech (Fagus sylvatica) 'tortuosa' or twisted variety. Ruegen, Germany, March.

Chase Dekker / African Elephant (Loxodonta africana) herd in flooded savanna, Amboseli National Park, Kenya

Eric Baccega / Mountain gorilla (Gorilla beringei beringei) silverback male, portrait, member of the Nyakagezi group, Mgahinga National Park, Uganda.

Magnus Lundgren / Pelagic blanket octopus (Tremoctopus gracilis) female in full display, off Anilao, Batangas Philippines, Pacific Ocean.

Gerry Ellis / Chimpanzee (Pan troglodytes) orphan Larry cautiously investigating millipede, Ape Action Africa, Mefou Primate Sanctuary, Cameroon

Bruno D'Amicis / Pyrenean fleabane (Inula montana) flowering among Feather grass (Stipa pennata), Central Apennines, Italy.

Guy Edwardes / Sgwd yr Eira waterfalls on Afon Hepste River. Powys, Brecon Beacons National Park, Wales, UK. June 2014.

Guy Edwardes / Knowlton Church at night, Dorset, England, UK, December 2016.

Guy Edwardes / Sunset over Bat's Head from Tyneham Cap, Isle of Purbeck, Jurassic Coast World Heritage Site, Dorset, England, UK, May.

Guy Edwardes / Falls of Dochart, Killin, Perthshire, Scotland, October 2019.

Guy Edwardes / River Coe with Three Sisters of Glencoe in background, under stormy sky. Glencoe, Highlands, Scotland, UK. February 2020.

Jack Dykinga / Ancient Bristlecone Pine Forest with twisted limbs of Bristlecone pine (Pinus longaeva) at dawn on the White Mountains, Inyo National Forest, California, USA.

Gary Bell/ Oceanwide / Rock arch, Tasmans Arch, Tasman National Park, Tasmania, Australia

Gary Bell/ Oceanwide / Coastal rock formation, Cape Woolamai, Phillip Island, Victoria, Australia

Jen Guyton / A white-tailed deer (Odocoileus virginianus), habituated after being fed by locals and tourists, sticks its head into the photographer's car in New Brunswick, Canada.

Cyril Ruoso / Red fox (Vulpes vulpes) cubs, three sleeping near den. Yonne, France. May.

Guy Edwardes / Common Buzzard (Buteo buteo) flying near Teasel plants (Dipsacus fullonum) Captive.

Kevin Schafer / Bald Eagle (Haliaeetus leucocephalus) pair, Adak Island, Aleutian Islands, Alaska

Shane Gross / A Giant clam (Tridacna gigas) surrounded by Lettuce coral (Turbinaria reniformis), Kosrae, Micronesia.

Georgette Douwma / Translucent coral goby (Bryaninops erythrops) in Seapen (Virgularia gustaviana). Komodo National Park, Indonesia. Indo-West Pacific.

Olga Kamenskaya / Young Baikal seal (Pusa sibirica) at breathing hole Lake Baikal, Siberia, Russia. April.

Shane Gross / Galapagos sea lion (Zalophus wollebaeki) hunting shoal of Black striped salemas (Xenocys jessiae), Rabida Island, Galapagos, Ecuador. December.

Shane Gross / Lemon shark juvenile (Negaprion brevirostris) swimming in mangrove habitat near blue crab (Callinectes sapidus), a prey species for the shark. Eleuthera, Bahamas.

Alex Mustard / A vibrant Caribbean coral reef with two Reef sharks (Carcharhinus perezi) and Common sea fans (Gorgonia ventalina) and sea plumes (Pseudopterogorgia sp). Jardines de la Reina, Gardens of the Queen Nat...

Shane Gross / Waves crashing on beach and carrying sediments back out to sea, aerial view. The Bahamas.

Gerry Ellis / Tropical rainforest cleared by local famer, Ebo Wildlife Reserve, Cameroon

Gerry Ellis / Rainforest tree being logged to clear area for palm oil plantation, western Cameroon

Gerry Ellis / African Oil Palm (Elaeis guineensis) fruit being harvested in small plantation in rainforest, western Cameroon

Gerry Ellis / Orangutan (Pongo pygmaeus) male being released after being rescued from 2015 fires, Gunung Palung National Park, West Kalimantan, Borneo, Indonesia

Doug Gimesy / Eastern grey kangaroo (Macropus giganteus), rescued joey in home-made artificial pouch hanging on carer's veranda. Linthorp, Toowoomba, Queensland, Australia. April.

Guy Edwardes / Dalmatian Pelican (Pelecanus crispus) landing on Lake Kerkini, Greece

Andy Rouse / Beautiful Demoiselle damselfly (Calopteryx virgo), male flying, Wales, UK.

Espen Bergersen / A group of European shags (Phalacrocorax aristotelis) resting on a rock. Coast of Troms, Northern Norway.

Markus Varesvuo / Golden Eagle adult (Aquila chrysaetos) silhouetted in tree after sunset, Kuusamo, Finland, January.