Gary Bell/ Oceanwide / Scarlet Cleaner Shrimp (Lysmata amboinensis) cleaning mouth of Tomato Grouper (Cephalopholis sonnerati), Great Barrier Reef, Australia

Gary Bell/ Oceanwide / Scarlet Cleaner Shrimp (Lysmata amboinensis) cleaning mouth of Tomato Grouper (Cephalopholis sonnerati), Great Barrier Reef, Australia

Hermann Brehm / Snow Leopard (Panthera uncia) climbing steep rock face, Mongolia

Philippe Clement / Three male Alpine ibex (Capra ibex) climbing up a steep mountain rock face, one pushes another one away, Gran Paradiso National Park, Graian Alps, Italy, June.

Philippe Clement / Two male Alpine ibex (Capra ibex) fighting on a steep mountain rock face, Gran Paradiso National Park, Graian Alps, Italy, June.

Ingo Arndt / Yellow-footed rock wallaby (Petrogale xanthopus) Australia, December

Ingo Arndt / Aboriginal Rock Art / depicting human figure / Anbangbang Gallery / Nourlangie Range / Kakadu National Park, Northern Territory, Australia

Ingo Arndt / Mount Rushmore National Memorial, South Dakota, USA, September 2009

Ingo Arndt / Seabird colony nesting on cliff face, Lange Anna, Helgoland, Germany

Erlend Haarberg / Rock face reflected in lake surface with floating blue ice sheets, Ovre Pikhaugvatnet lake, Glomdalen valley, Saltfjellet-Svartisen National Park, Norway, August 2015.

Theo Bosboom / Birch tree (Betula pendula) with lichen, camouflaged against lichen covered rock face, Muddus National Park, Sweden. September 2014. Highly commended in GDT European Wildlife Photographer of the Yea...

Chris & Monique Fallows / Orca (Orcinus orca) pod hunting common dolphin (Delphinus delphis) False Bay, South Africa.