Alex Mustard / Bennett's feather star (Oxycomanthus bennetti) spreading its arms as sunset approaches on the reef, Tubbataha Atolls, Palawan, Philippines, Sulu Sea.

Mark Taylor / German Shepherd Dog bitch pup, Coco, 14 weeks old, with raised paw.

Ross Hoddinott / Marbled White butterfly (Melanargia galathea) resting on grass, Dunsdon Nature Reserve, Devon, UK. July

Doc White / Humpback Whale (Megaptera novaeangliae) female. Tonga, South Pacific, September.

XI ZHINONG / Wild White-Lipped Deer (Przewalskium albirostris) male, Kekexili, Qinghai, Tibetan Plateau, China. Vulnerable species.

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

David Tipling / Emperor Penguins, (Aptenodytes forsteri), chicks huddled together in a creche to keep warm, Weddell Sea, Antarctica

David Pattyn / Dalmatian Pelicans (Pelecanus crispus) portrait. Lake Kerkini, Greece, March 2012.

Fergus Gill / 2020VISION / Close up of a Whooper swan (Cygnus cygnus) on Hogganfield Loch, Glasgow, Scotland, UK, February.

Sue Flood / Silkworm moth (Bombyx mori) cocoons for production of silk thread, in Hoi An, Vietnam.

Ross Hoddinott / Marbled White butterfly (Melanargia galathea) at rest, Dunsdon Nature Reserve, Devon, UK. July.

Doc White / Blue Whale (Balaenoptera musculus) feeding at sea surface, releasing bubbles after a lunge. California, USA.

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

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

Chris Mattison / Tiger Leech (Haemadipsa picta). Danum Valley, Sabah, Borneo.

Markus Varesvuo / Willow Grouse (Lagopus lagopus) Kuusamo Finland March

Markus Varesvuo / Ural Owl (Stix uralensis) perched in snowy tree, Kuusamo Finland February

XI ZHINONG / Tibetan antelope (Pantholops hodgsonii) male, Kekexili, Qinghai, China, November.

Floris van Breugel / Darkling Beetle (Tenebrionidae) on sand in White Sands National Park, New Mexico, USA, April.

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

Mark Taylor / Playful tabby kitten, Stanley, 6 weeks.

Mark Taylor / Playful tabby kitten, Stanley, 6 weeks.

Mark Taylor / Blue and white Border Collie puppy running forward.