Bence Mate / Two Great egrets (Ardea alba) face to face against white sky, Lake Csaj, Pusztaszer, Hungary. Winner of the Portfolio category of the Terre Sauvage Nature Images Awards competition 2015.

Gabriel Rojo / Patagonian cavy (Dolichotis patagonum ) rear view of two, La Pampa, Argentina.

Markus Varesvuo / Puffin (Fratercula arctica) silhouetted at sunset, Shetland Islands, Scotland, UK, July.

Sergey Gorshkov / Musk ox (Ovibos moschatus) portrait, Wrangel Island, Far Eastern Russia, March.

Mike Read / White stork (Ciconia ciconia) pair silhouetted on nest at sunset near Castro Verde, Alentejo, Portugal, February.

Erlend Haarberg / Brambling (Fringilla montifringilla) fighting. Vauldalen, Sor-trondelag. Norway, May.

Florian Möllers / White stork (Ciconia ciconia) adult portrait, captive, Vogelpark Marlow, Germany, May.

Florian Möllers / Chinese farmers 'separating the wheat from the chaff', here with yellow peas (Pisum sativum). Zhouzhi Nature Reserve, Shaanxi, China, October 2006.

Sumio Harada / Red Squirrel (Tamiasciurus hudsonicus) separating seeds from an Engelmann Spruce (Picea engelmannii) cone to store for winter food, Rocky Mountains, Alberta, Canada

Yashpal Rathore / Bengal tiger (Panthera tigris tigris) young female (MV3) looking to establish her own territory after separating from her . Kanha National Park, Central India. Camera trap image.

Franco Banfi / Iceberg with open water separating it from frozen sea. Tasiilaq, East Greenland. April 2018.

Terry Whittaker / Water vole (Arvicola amphibius) reintroduction at Sevenoaks Wildlife Reserve. Clare Stalford of the Wildwood Trust Conservation Dept in Wildwood's breeding centre separating young voles from the foun...