Sven Zacek / Low angle shot of Ural owl (Strix uralensis) female returning to its nest at night. Southern Estonia, May.

Mark Bowler / Aerial view of Amazon River, with settlements and secondary rainforest, near Iquitos, Peru. July 2015.

Mark Bowler / Aerial view of Yavari-Mirin River and oxbow lake and Amazon Rainforest, Peru, July.

Juan Carlos Munoz / Aerial view of Delta Sierpe River Terraba, Corcovado National Park, Osa Peninsula, Puntarenas Province, Costa Rica. December 2014.

Cyril Ruoso / Common woolly monkey (Lagothrix lagotricha) reaching forward, Ikamaperou Sanctuary, Amazon, Peru.

Andy Rouse / Fish eye aerial view of autumnal forest, Finland, September.

Konrad Wothe / Starry night sky over the scientific research station in Panguana Reserve, Huanuca province, Amazon basin, Peru.

Chris Mattison / Giant sequoia (Sequoiadendron giganteum) Sierra Nevada, California, USA, May.

Hougaard Malan / Perito Moreno glacier viewed over bright autumn foliage, Patagonia, Argentina. April 2013. Non-ex.

Hougaard Malan / Aloes below the snow-capped peaks of the Swartberg. Near Calitzdorp, Western Cape, South Africa. June 2009.

Dong Lei / Jungle Crow (Corvus macrorhynchos) perched on tree branch with rainbow, Shejila mountain, Qinghai-Tibetan Plateau, Tibet, China. July.

Angelo Gandolfi / Roseate Spoonbills (Platalea ajaja) in flight, Pantanal, Mato Grosso do Sul, Brazil