Oscar Dewhurst / Fallow deer (Dama dama) walking across frost-covered playing fields at dawn, with tower blocks of London in the background. Richmond Park, London, UK. December

Oscar Dewhurst / Red deer (Cervus elaphus) stag roaring, silhouetted under trees at sunrise. Bushy Park, London, UK. September

Laurent Geslin / European edible frog (Rana esculenta) in urban park, next to pond with buildings in distance, Grenoble, France, May.

Edwin Giesbers / European bison (Bison bonasus) with town in the background, Zuid-Kennemerland National Park, the Netherlands. January. Reintroduced species.

Matthew Maran / Lime trees (Tilia sp) and benches in snow, Kenwood Estate, London, UK, January 2013.

Matthew Maran / Sunset over snow-covered Hampstead Heath in winter, London, UK, January 2013.

Matthew Maran / Oak tree (Quercus robur) in snow, Hampstead Heath, London, UK, January 2013.

Matthew Maran / Mute swans (Cygnus olor) Highgate Ponds, Hampstead Heath, London, UK, February.

Matthew Maran / Great created grebe (Podiceps cristatus) with chick following, and person swimming in pond, Hampstead Heath, London, July 2014.

Alex Mustard / Red Sea anemonefish (Amphiprion bicinctus) in front of magnificent sea anemone. Anemone City, Ras Mohammed Marine Park, Sinai, Egypt. Gulf of Aqaba, Red Sea.

Alex Mustard / Portrait of Bandcheek wrasse (Oxycheilinus digrammus) taken during the day. Anemone City, Ras Mohammed Marine Park, Gulf of Aqaba, Red Sea. Sinai, Egypt.

Bertie Gregory / 2020VISION / Young red fox (Vulpes vulpes) infront of security car, urban park, Bristol, winter.