Jordi Chias / Leopard seal (Hydrurga leptonyx) resting over an iceberg, Antarctic Peninsula, Antarctica.

Franco Banfi / Diver exploring an iceberg in Greenland Sea. Tasiilaq, East Greenland. April 2018.

Niall Benvie / The Birnam Oak, an ancient English oak tree (Quercus robur) nearly 1000 years old, Perthshire, Scotland, UK, July.

Anup Shah / Southern plains grey langur / Hanuman langurs (Semnopithecus dussumieri) group of females feeding on potatoes left as an offering at a temple. Jodhpur, Rajasthan, India. March.

Christophe Courteau / Tourists and guide using snowshoes on an ecotourism trekking holiday, Svalbard, Norway, June, 2012. Model released.

Merryn Thomas / Man taking a photograph of Three Cliffs Bay, Gower, Swansea, Wales. January 2013. Model released.

Neil Aldridge / Portrait of an African wild dog (Lycaon pictus) wearing a radio collar in dense mopane bushveld, Venetia Limpopo Nature Reserve, Limpopo Province, South Africa, February 2010.

Pal Hermansen / Young wren (Troglodytes troglodytes) in an old abandoned car in a 'car graveyard' Bastnas, Sweden

Pål Hermansen,Pal Hermansen / Blue tit (Cyanistes caeruleus) with food in its beak at the entrance to its nest in the exhaust pipe of an old car, Bastnas, Sweden, June. Winner of the Fritz Polking Prize at the GDT competition 2013...

Graham Eaton / An underwater view of a woodland stream, River Glaslyn, Snowdonia NP, Gwynedd, Wales, UK, May

Juergen Freund / Silhouette of an outrigger dugout canoe seen from underwater. North Raja Ampat, West Papua, Indonesia, February

Anup Shah / Marabou storks (Leptoptilos crumeniferus) and White-backed vulture (Gyps africanus) feeding on the carcass of an elephant - wide angle perspective. Masai Mara National Reserve, Kenya. September