XI ZHINONG / Grey wolf (Canis lupus) chasing a wounded tibetan wild ass (Equus kiang) Kekexili, Qinghai, China, December.

George Sanker / Mature Bighorn Rams (Ovis canadensis) on high mountain pass. Jasper National Park, Alberta, Canada, October.

David Tipling / Emperor Penguins (Aptenodytes forsteri) chicks Snow Hill Island, Antarctica, November

Anup Shah / Celebes / Black crested macaque (Macaca nigra) group sitting on a fallen tree, Tangkoko National Park, Sulawesi, Indonesia.

Anup Shah / Celebes / Black crested macaque (Macaca nigra) juvenile grooming a sub-adult male, Tangkoko National Park, Sulawesi, Indonesia.

Anup Shah / Celebes / Black crested macaque (Macaca nigra) two juveniles approaching with curiosity, Tangkoko National Park, Sulawesi, Indonesia.

Anup Shah / Celebes / Black crested macaque (Macaca nigra) sub-adult male playing with a juvenile, Tangkoko National Park, Sulawesi, Indonesia.

Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) orphan baby clinging to person's arms, Aviarios Sloth Sanctuary, Costa Rica

Suzi Eszterhas / Hoffmann's Two-toed sloths (Choloepus hoffmanni) two orphan babies in Aviarios Sloth Sanctuary, Costa Rica

Todd Mintz / Grizzly Bear (Ursus arctos horribillis) and cub in water, play fighting. Great Bear Rainforest, British Columbia, Canada, September.

Matthew Maran / Raccoons (Procyon lotor) on patrol in Stanley Park, Vancouver, BC, Canada

Luke Massey / 2020VISION / Red fox (Vulpes vulpes) cubs, Hertfordshire, England, UK, May. Did you know? There are 45 different subspecies of Red fox, and as well as many colour variations.

Tony Heald / African Wild Dog (Lycaon pictus) submissive begging by a pup, Mana Pools National Park, Zimbabwe, October 2012

Anup Shah / Western chimpanzee (Pan troglodytes verus) female 'Jire' aged 52 years being groomed by alpha male 'Foaf' aged 30 years, whilst she feeds on palm oil fruit, Bossou Forest, Mont Nimba, Guinea. Januar...

Anup Shah / Western chimpanzee (Pan troglodytes verus) juvenile female 'Joya' aged 6 years playing with infant male 'Flanle' aged 3 years, Bossou Forest, Mont Nimba, Guinea. January 2011. Sequence 1 of 2.

Anup Shah / African Lion (Panthera leo) cubs aged 1-2 months playing with their mother, Masai Mara National Reserve, Kenya. March

Anup Shah / African Lion (Panthera leo) cub aged 1-2 months playing with its mother's tail, Masai Mara National Reserve, Kenya. March

Doc White / Humpback Whale (Megaptera novaeangliae) mother and calf. Tonga, South Pacific, September.

XI ZHINONG / Tibetan antelope (Pantholops hodgsoni), two males, Kekexili, Qinghai, Tibetan Plateau, China, December

XI ZHINONG / Tibetan antelope (Pantholops hodgsoni) male with female, grazing, Kekexili, Qinghai, Tibetan Plateau, China, December

XI ZHINONG / Blue Sheep (Pseudois nayaur) on hillside, Kekexili, Qinghai, China, January

XI ZHINONG / Tibetan antelope (Pantholops hodgsonii) crossing road infront of a truck, Kekexili, Qinghai, China, January

Philippe Clement / Red fox (Vulpes vulpes) in defensive posture with ears flat, watching rival approaching, the Netherlands, October

Juergen Freund / Spectacled flying foxes (Pteropus conspicillatus) paralysed after being bitten by paralytic ticks having medicine administered by owner and main carer Jenny Mclean at Tolga Bat Hospital, North Queensl...

Danny Green / Brown Bear (Ursus arctos) cubs play fighting. Finland, July.

Markus Varesvuo / Blue tits (Paris caereleus) two feeding on red berries, Uto Finland October

Jabruson / African Forest elephant (Loxodonta africana cyclotis) two bulls sparring, competition for access to valuable minerals located at certain points within the clearing's water points, Dzanga-Ndoki Nationa...

Jabruson / African Forest elephant (Loxodonta africana cyclotis) two bulls sparring, competition for access to valuable minerals located at certain points within the clearing's water points, Dzanga-Ndoki Nationa...

Ernie Janes / Dog walkers silhouetted against yellow sky. Cley bank, Norfolk, September.

Andrew Parkinson / Bengal Tigers (Panthera tigris) sub-adults, approximately 17-19 months old, playfighting. Endangered. Bandhavgarh National Park, India. Non-ex. Sequence 1 of 2.

Ole Jorgen Liodden / Southern royal albatross pair (Diomedea epomophora) Campbell Island, New Zealand. November.

Mark Taylor / Two cute tabby kittens, Stanley and Fosset, 7 weeks, playing with a tube.

Michel Poinsignon / Starlings (Sturnus vulgaris), adults perched on branch in winter feeding on apple. Lorraine France. 3rd Prize in the Melvita Nature Images Awards competition 2013.