Pete Oxford / Galapagos fur seal (Arctocephalus galapagoensis) near coral reef drop off, Galapagos, December.

Alex Hyde / Spider (Tegenaria sp.) in dew-covered web in limestone cave, Plitvice Lakes National Park, Croatia. January.

Markus Varesvuo / Black-throated diver (Gavia arctica) on water, Finland, May.

Andy Rouse / Bengal tiger (Panthera tigris tigris) female 'T19 Krishna' carrying 2 month cub, Ranthambhore National Park, India.

Floris van Breugel / Ice cave melting in Mendenhall Glacier, Juneau, Alaska, USA, August 2014.

Denis-Huot / Three Lesser flamingos (Phoeniconaias minor) silhouetted in front of geyser, Lake Bogoria National Reserve, Kenya.

Loic Poidevin / Female Grizzly bear (Ursus arctos horribilis) standing up, rear view, Khutzeymateen Grizzly Bear Sanctuary, British Columbia, Canada, June.

Barrie Britton / Mantellid Frog Tadpoles (Guibemantis species) developing on leaf overhanging pond. Association Mitsinjo Reserve, Andasibe, Madagascar. Photograph taken on location for BBC 'Wild Madagascar' Series,...

Graham Eaton / A split-level image of a mountain stream, in autumn, with water droplets on lens, Nant Ffrancon Valley, Snowdonia NP, Gwynedd, Wales, UK, October

Alex Mustard / A young California sealion (Zalophus californianus) playing with a starfish, inside an underwater cave. The pups will pick up a variety of objects (such as starfish, lumps of coral, shells and feather...

Alex Mustard / A young California sealion (Zalophus californianus) playing with a starfish, inside an underwater cave. The pups will pick up a variety of objects (such as starfish, lumps of coral, shells and feather...

Stephen Dalton / Water dripping from tip of leaf, UK