Ian McCarthy / Cracks in winter ice, Bathurst Island, Nunavut, Canada

Ian McCarthy / Bearded vulture {Gypaetus barbatus} soaring over the Himalayas, northern India

Ian McCarthy / Silhouette of mastiff dog crossing a bridge with Himalayas in the background, Upper Dolpo, Nepal

Ian McCarthy / European river otter {Lutra lutra} male on coast, Shetland Islands, Scotland, UK

Ian McCarthy / Wandering albatross {Diomedea exulans} in a snow flurry, South Georgia

Ian McCarthy / King penguin {Atenodytes patagonicus} diving through water, South Georgia

Ian McCarthy / Common raven {Corvus corax} landing on snow, Bryce Canyon NP, Utah, USA

Ian McCarthy / European river otter {Lutra lutra} male in water, Shetland Islands, Scotland, UK

Ian McCarthy / King penguin {Atenodytes patagonicus} in the surf, South Georgia

Ian McCarthy / Wandering albatross {Diomedea exulans} flying over open ocean, South Atlantic

Ian McCarthy / Southern royal albatross {Diomedea epomophora} in flight over sea, South Atlantic

Ian McCarthy / King penguin chicks in creche {Aptenodytes patagoni} Marion Island, sub-antarctica (Taken on location for BBC Planet Earth Shallow Seas 2005).