Sergio Hanquet / Green sea turtle (Chelonia mydas), two viewed from above. Tenerife, Canary Islands.

Danny Green / Polar bear (Ursus maritimus) resting on sea ice, view from above. Svalbard, Norway, June 2018.

Neil Anderson / Red squirrel (Sciurus vulgaris), two curled up asleep in drey inside nest box. Nest of lichen and Pine needles. Highlands, Scotland, UK. Medium repro only.

Tony Wu / Bowhead whale (Balaena mysticetus), group socialising in shallow water, aerial view. Part of larger group of more than 50 whales congregating, Sea of Okhotsk sub-population, Russia.

Theo Bosboom / Aerial of patterns of receding waves, Playa del Silencio, Asturias, Spain. April 2018

Theo Bosboom / Sand patterns created by receding waves, Quiberon, Brittany, France. August 2017

Joris van Alphen / Aerial view of clearing with felled logs in Bialowieza Forest UNESCO World Heritage Site, Poland. Highly commended in the Wildlife Photojournalism Category of the Wildlife Photographer of the Year Awa...

Jordi Chias / Crabeater seals (Lobodon carcinophaga) resting on ice floating ice sheet, Antarctic Peninsula, Antarctica.

Jordi Chias / Humpback whale (Megaptera novaeangliae) surfacing with baby and blowing, Antarctic Peninsula, Antarctica.

Ingo Arndt / Aerial shot looking over Torres del Paine National Park, showing Torres del Paine peaks in the background, Patagonia, Chile, April, 2018.

Ingo Arndt / Aerial shot over a forest of Southern beech trees (Nothofagus) in autumn, Torres del Paine National Park, Patagonia, Chile, April, 2018.

Ingo Arndt / Aerial shot over a herd of Guanacos (Lama guanicoe), Torres del Paine National Park, Patagonia, Chile, April.