Joel Sartore / Photo Ark / Common marmoset (Callithrix jacchus) female with a baby holding onto her back, University of Nebraska, Omaha. Captive.
Milan Radisics / Female Red fox (Vulpes vulpes) waiting to be fed at the back entrance of a house, Hungary. January.
Konrad Wothe / Stoat (Mustela erminea) in white winter coat standing upright in snow, Upper Bavaria, Germany, Europe. February.
Rose Summers / Slow motion clip of European otter (Lutra lutra) emerging from water, it pauses and looks around before diving back under, Devon, England, UK, May.
Eric Baccega / Shoebill stork (Balaeniceps rex) in the swamps of Mabamba, Lake Victoria, Uganda, February.
Suzi Eszterhas / Cotton-top tamarin (Saguinus oedipus), adult with two week old baby on back. Northern Colombia.
Christophe Courteau / Mountain gorilla (Gorilla beringei beringei) silverback sitting on boundary wall between Volcanoes National Park and a Potato crop, looking into valley. Area to be restored to forest. Rwanda.
Klein & Hubert / Harp seal (Pagophilus groenlandicus) pup looking up to see behind it, Gulf of St. Lawrence, Canada
Steven David Miller / An Orange lacewing butterfly (Cethosia penthesilea), Cairns Botanical Gardens, Queensland, Australia. Captive. August.
Guy Edwardes / African elephant (Loxodonta africana) with Egret (Ardeidae sp) on back wtih tourists watching from boat in background. Chobe River, Botswana. 2017.
Andy Rouse / Bengal tiger (Panthera tigris) male 'T91 - Cowboy' at base of tree, Ranthambhore, India, Endangered species.
Remi Masson / Tracking shot of a Eurasian beaver (Castor fiber) swimming underwater, turns to look at camera, River Rhone, Rhone-Alpes, France, June.
Klein & Hubert / Head portrait of young domestic Landrace pig (Sus scrofa domesticus), organic open air breeding, Germany.
Mark Taylor / Tabby kitten, 6 weeks, standing on hind legs.
Suzi Eszterhas / Ring tailed lemur (Lemur catta) mothers with two-week babies. Berenty Private Reserve, Madagascar
Fiona Rogers / Eastern chimpanzee (Pan troglodytes schweinfurtheii) infant male 'Gizmo' aged 2 years lying on the forest floor. Gombe National Park, Tanzania.
Mark Bowler / Black capuchin, (Sapajus nigritus) female standing on hind legs, Rio de Janeiro, Brazil.
Jabruson Motion / Silverback Mountain gorilla (Gorilla beringei beringei) from the 'Nyakamwe' family group looking at the camera before sitting back, Bukima, Virunga National Park, North Kivu, Democratic Republic of Co...
Cyril Ruoso / Woman with baby looking at Sisal (Agave sisalana) fibres drying for rope making, Berenty Reserve, Madagascar.
Sven Zacek / Cross-country skiier on a moonlit night admiring the Northern Lights (Aurora borealis), Norway, March 2013.
Richard Du Toit / Black wildebeest (Connochaetus gnou) bull silhouetted at dawn, Rietvlei Nature Reserve, Gauteng Province, South Africa.
Ole Jorgen Liodden / Polar bear (Ursus maritimus) standing on ice floe, looking at camera. Svalbard, Norway. August.
Andy Rouse / Chital deer (Axis axis) mother with young, Ranthambhore National Park, India.
Andy Rouse / Great crested grebe (Podiceps cristatus cristatus) with young chick on back, Cardiff, UK, April.
Danny Green / Mountain Hare (Lepus timidus) resting with ears back, Scotland, March. Highly Commended in the Animal Portrait Category of the BWPA Competition 2015.
David Pattyn / Alpine chamois (Rupicapra rupicapra rupicapra) in winter landscape, looking up slope. Valsavarenche, Gran Paradiso National Park, Italy. December
Bernard Castelein / Ring-tailed lemur (Lemur catta) female carrying two babies. Anjaha Community Conservation Site, near Ambalavao, Madagascar.
Kevin Schafer / Pygmy Raccoon (Procyon pygmaeus) portrait, Cozumel Island, Mexico. Critically endangered endemic species.
Oliver Scholey / Grizzly bear (Ursus arctos horribilis) female with cub riding on back, Katmai National Park, Alaska, USA, August.
Mark Taylor / Playful tabby male kitten, age 10 weeks.
Mark Taylor / French Bulldog sitting looking up, close up of muzzle
Will Burrard-Lucas / Meerkat (Suricata suricatta) standing alert on hind legs at sunset, Makgadikgadi Pans, Botswana.
Nick Garbutt / Infant Golden-crowned Sifaka (Propithecus tattersalli) on its mother's back. Forests adjacent to the village of Andranotsimaty, near Daraina, northern Madagascar. Critically endangered species.
Bruno D'Amicis / Apennine chamois (Rupicapra pyrenaica ornata) herd resting on altitude plateau of Majella Massif, in moonlight with distant urban lights in the background. Endemic to the Apennine mountains. Majella N...
Edwin Giesbers / Jaguar (Panthera onca) cub looking over its mother's back, captive, occurs in Southern and Central America.
Eric Baccega / Grizzly bear cub (Ursus arctos horribilis) resting in the sedges, Khutzeymateen Grizzly Bear Sanctuary, British Columbia, Canada, June.
Igor Shpilenok,Igor Shpilenok / Kamchatka Brown Bear (Ursus arctos beringianus) stands on its back legs to more easily determine the source of an unfamiliar sound. Kronotsky Zapovednik Nature Reserve, Kamchatka Peninsula, Russian Fa...
Mark Taylor / Tabby male kitten, Fosset, 3 months old, rolling playfully on his back.
Denis-Huot / Masai Giraffe (Giraffa camelopardalis tippelskirchi) male and female (back). Masai-Mara Game Reserve, Kenya.
Michael D. Kern / Rhinoceros iguana (Cyclura cornuta) captive, from Hispaniola, Caribbean, Vulnerable species
Erlend Haarberg / Male European elk / Moose (Alces alces) in undergrowth, Sarek National Park, Sweden, September
Roy Mangersnes / Arctic fox (Alopex / Vulpes lagopus) standing, near Longyearbyen, Spitsbergen, Svalbard, Norway, August
Yves Lanceau / Lowchen / Little Lion dog, black and white, partially shaved, portrait in garden, France
Petra Wegner / Mixed breed, white, long haired Cockerpoo / Cockapoo dog, standing on back legs, looking up. Poodle Cocker spaniel cross
Nick Garbutt / RF- Young Ring-tailed lemurs (Lemur catta) carried on mother's back, Madagascar. (This image may be licensed either as rights managed or royalty free.)
Nick Garbutt / Adult bull African Elephant (Loxononta africana) reaching up to feed on foliage on the banks of the Luangwa River, South Luangwa National Park, Zambia, October
Ole Jorgen Liodden / King Penguin (Aptenodytes patagonicus) parents calling and performing 'statue' display at colony. South Georgia Island, Southern Ocean, November.