Stefan Christmann / Emperor penguin (Aptenodytes forsteri) colony huddled together under the Southern Lights, Aurora australis, Atka Bay, Antarctica. September.

Wim van den Heever / Gemsbok (Oryx gazella) two walking across sand dunes, aerial view. Namibia.

Wim van den Heever / Plains zebra (Equus quagga) at sunset, Savuti Marsh, Botswana.

Alex Hyde / Sheetweb weaving spider (Linyphiidae) in web at sunset. The silk is refracting the light into a rainbow of coloured bands. Slovenia, July.

Sven Zacek / Otter (Lutra lutra) walking in fresh ice, Southern Estonia, January.

Angelo Gandolfi / White stork (Ciconia ciconia), nesting colony to provide alternative nesting area whilst the building they normally nest on is under repair. Extremadura, Spain, April.

Sven Zacek / Otter (Lutra lutra) portrait, in golden sunset light, Southern Estonia, December.

George Sanker / Great egret (Ardea alba) in flight, Florida, USA, March.

Juan Carlos Munoz / Tourists looking down onto underground stream, from illuminated pathway, Skocjan Caves, Green Karst, Slovenia, October 2014.

David Pattyn / Alpine chamois (Rupicapra rupicapra rupicapra) in winter landscape, looking up slope. Valsavarenche, Gran Paradiso National Park, Italy. December

Chris & Monique Fallows / Wandering albatross (Diomedea exulans), engaged in mating display. South Georgia Island, Southern Ocean.

Chris & Monique Fallows / Wandering albatross (Diomedea exulans) flying off coast of South Georgia Island.