David Fleetham / Day / Big blue octopus (Octopus cyanea) with diver in background. Hawaii. September 2012.

Edwin Giesbers / Western lowland gorilla (Gorilla gorilla gorilla) twin babies age 45 days sleeping in mother's arms, captive, occurs in Central Africa. Critically endangered.

Edwin Giesbers / Western lowland gorilla (Gorilla gorilla gorilla) twin babies age 45 days resting side by side in mother's arms, captive, occurs in Central Africa. Critically endangered.

Cyril Ruoso / Sumatran orangutan (Pongo abelii) baby reaching up to mother's hand, Gunung Leuser National Park, Sumatra, Indonesia.

Eric Baccega / Men from the Mursi tribe decoratively scaring skin, one man scars the arm of another one by lifting the skin with an acacia spine and cutting it with a razor blade, Ethiopia, March 2015.

Solvin Zankl / Sargassumfish (Histrio histrio) swimming near Broad-toothed gulfweed (Sargassum fluitans) Sargassum Community. Sargasso Sea, Bermuda.

Anup Shah / Dusky leaf monkey (Trachypithecus obscurus) baby playing . Khao Sam Roi Yot National Park, Thailand.

Cyril Ruoso / Bonobo (Pan paniscus) foraging in river, Lola Ya Bonobo Sanctuary, Democratic Republic of the Congo. Non-ex

Jack Dykinga / Low angle view of Saguaro cactus (Carnegiea gigantea) with twisted lowered arms drooping to the ground, a result of frost damage. Honey Bee Canyon, Oro Valley, Arizona, USA. February.

Jack Dykinga / Saguaro cactus (Carnegiea gigantea) with twisted arms at sunset, with Ajo Mountains in the background, Arizona, USA.

Klein & Hubert / Tabby and white female cat looking through the frame of an old blue window.

Andy Rouse / Bengal tiger (Panthera tigris tigris) 11 month cubs play fighting, Ranthambhore National Park, India.

Aflo / Cat stretching forward whilst sunbathing, Hofu, Yamaguchi, Japan.

Eric Baccega / Portrait of Naro San Bushman with leather headdress made of duiker skin, Kalahari, Ghanzi region, Botswana, Africa. October 2014.

Sue Daly / Spiny starfish (Marthasterias glacialis) moving its arms over the seabed, showing use of its tube feet, Sark, British Channel Islands, UK, August.

Nick Garbutt / Golden-crowned Sifaka (Propithecus tattersalli) leaping through forest canopy. Forests adjacent to the village of Andranotsimaty, near Daraina, northern Madagascar. Critically endangered species.

Alex Hyde / Baboon Spider (Pterinochilus murinus) in aggressive posture, photographed on a white background. Captive, originating from Africa.

Jabruson / Boy carrying bushmeat to market, Black-fronted Duiker (Cephalophus nigrifrons). Mbomo, Odzala-Kokoua National Park, Republic of Congo.

Anup Shah / African elephant (Loxodonta africana) close-up. Masai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Anup Shah / African elephant (Loxodonta africana) herd at waterhole with calves seen between adults legs. Masai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Anup Shah / Eastern white-bearded wildebeest (Connochaetes taurinus) herd running. Masai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Jussi Murtosaari / European brown bear (Ursus arctos arctos) young cub, northern Finland, July.

Jabruson / Eastern gorilla (Gorilla beringei beringei) confiscated juvenile recovered by National Park authorities from poachers, awaiting release to the wild in wooden crate, with hand reaching out, Djomba, Vir...

Michele Westmorland / Booby (Sula nebouxii) looking at camera underwater, Galapagos Island.

Loic Poidevin / Grizzly bear (Ursus arctos horribilis) cub peering out from behind its mother, Khutzeymateen Grizzly Bear Sanctuary, British Columbia, Canada, June.

Ernie Janes / Hands holding ripe Barley ears (Hordeum vulgare) ready for harvest at Salthouse, Norfolk, England, UK, August.

Jabruson / Chimpanzee (Pan troglodytes schweinfurthii) in cage, confiscated from poachers, housed in Epulu, Okapi Wildlife Reserve, Orientale Province, North-East, Democratic Republic of Congo

Jean E. Roche / Man leaping over bull in European Bullfighting Championship 2012, Arenes d'Arles, Camargue, France, September 2012.

Kirkendall-Spring / Close up on mountain biker's foot pedalling, in Cascade foothills, Washington, USA. April 2013. Model released.

Ingo Arndt / Grizzly bear (Ursus arctos horribilis) silhouette, Lake Clark National Park, Alaska

Chris & Monique Fallows / Shy Albatros (Thalassarche cauta) swimming at surface with Blue sharks (Prionace glauca) below, Cape Point, South Africa.

Jabruson Motion / Close-up of a young Western gorilla (Gorilla gorilla) 'Tembo', member of the 'Makumba' group, breaking open a termite nest and eating termites, Bai Hokou, Dzanga-Ndoki National Park, Sangha-Mbaere Pre...

Jabruson Motion / Close-up of a young Western gorilla (Gorilla gorilla) 'Tembo', member of the 'Makumba' group, breaking open a termite nest and eating termites, Bai Hokou, Dzanga-Ndoki National Park, Sangha-Mbaere Pre...

Denis-Huot,Denis-Huot / Lion (Panthera leo) cubs playing, Masai-Mara Game Reserve, Kenya

Andy Rouse / Coquerel's Sifaka (Propithecus coquereli) jumping, Palmarium Reserve, Madagascar

Andy Rouse / Coquerel's Sifaka (Propithecus coquereli) jumping, Palmarium Reserve, Madagascar

Andy Rouse / Cheetah (Acinonyx jubatus) cubs playing, Maasai Mara, Kenya, Africa

Andy Rouse / Cheetah (Acinonyx jubatus) mother and cub playing, Maasai Mara, Kenya, Africa. Honoured in the African wildlife category

Andy Rouse / Cheetah (Acinonyx jubatus) cub looking around mother's legs Maasai Mara, Kenya, Africa

Nick Garbutt / Golden-crowned Sifaka or Tattersall's Sifaka (Propithecus tattersalli) in forest near Andranotsimaty, Daraina, north east Madagascar. Critically Endangered.

Nick Garbutt / Male Arabian Leopard (Panthera pardus nimr) at the Arabian Wildlife Centre & captive-breeding project, Sharjah, United Arab Emirates.

Ben Cranke,Ben Cranke / Japanese Macaque (Macaca fuscatata) juvenile, reaching out to touch the camera, Jigokudani, Nagano Prefecture, Honshu, Japan

Eric Baccega,Eric Baccega / Female Grizzly bear (Ursus arctos horribilis) standing up in alert and looking around, while feeding on sedge, Khutzeymateen Grizzly Bear Sanctuary, British Columbia, Canada, June.

Alex Mustard / A fisherman swims down to touch the statue of Christ Of The Abyss (Cristo degli abissi) for good fortune, in the Marine Protected Area of Portofino (Area Marina Protetta, Portofino), Liguria, Italy. M...

Staffan Widstrand / Wild Wonders of China / Eastern hoolock gibbon (Hoolock leuconedys) hanging from a branch in its arms, resting between forays through the rainforest, Gaoligongshan Nature reserve, Yunnan, China

Ben Cranke,Ben Cranke / Gentoo Penguin (Pygoscelis papua) jumping out of the sea, Cuverville Island, Antarctic Peninsula, Antarctica. Highly commended in the Single Species Portfolio of the Terre Sauvage Nature Images Awards...

Ernie Janes,Ernie Janes / Newly hatched ducklings with eggs.

Cheryl-Samantha Owen / West Coast Rock Lobster (Jasus lalandii) observed by diver. Kalk Bay, Atlantic Ocean, False Bay, Valsebaai, Western Cape, South Africa Model released.